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Homonyms

IRMNG homonym list - genus level - Initial letter = "G" (1085)

Please note, this is a provisional homonyms list from IRMNG on 2024-11-21, and is subject to change. It may include nomina nuda, rejected and otherwise non-current names, plus some published misspellings, in addition to homonyms that have been validly published. A small proportion of duplicate entries awaiting rationalisation may also be included.

Click on any genus name for additional details, as currently available.

Gaarderia
 Gaarderia A. Kleijne, 1993 accepted as Syracosphaera Lohmann, 1902 · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Syracosphaerales (Order) > Syracosphaeraceae (Family)
 Gaarderia Carbonell-Moore, 1994 accepted as Gaarderiella M.C. Carbonell-Moore, 2010 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Peridiniales (Order) > Podolampadaceae (Family)

Gabianus
 Gabianus Bruch, 1853 accepted as Larus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
     Gabianus Bonaparte, 1853 accepted as Larus Linnaeus, 1758 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Gabiella
 Gabiella accepted as Gabbiella Mandahl-Barth, 1968 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Bithyniidae (Family)
     Gabiella Prudhoe, 1989 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)

Gabonella
 Gabonella de Klasz, Marie & Meijer, 1960 † accepted as Gabonita Dieni, 1974 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Bolivinitidae (Family)
     Gabonella Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Gabonia
 Gabonia Bolivar, 1906 accepted as Gabonella Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gabonia Jacoby, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gabonia Fairmaire, 1894 accepted as Gabonisca Fairmaire, 1894 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gabonia Montandon, 1894 accepted as Montandoneus Kirkaldy, 1904 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Plataspidae (Family)

Gabriella
     Gabriella Collins, A.J. Ross, Genzano & Manzian, 2006 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Tanidromitidae (Family)
 Gabriella † accepted as Garbiella Lazarenko & Datsenko, 1967 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Gabunia
     Gabunia Kriechbaumer, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Gabunia K. Schumann ex Stapf in Thiselton-Dyer, 1902 accepted as Tabernaemontana Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Gadopsis
 Gadopsis De Filippi, 1855 accepted as Grammonus Gill, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Bythitidae (Family)
     Gadopsis Richardson, 1848 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Percichthyidae (Family)
     Gadopsis Agassiz, 1845 accepted as Gadopsis Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gadulus
 Gadulus Malm, 1877 accepted as Trisopterus Rafinesque, 1814 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Gadidae (Family)
 Gadulus Issel, 1876 accepted as Cadulus Philippi, 1844 · Animalia (Kingdom) > Mollusca (Phylum) > Scaphopoda (Class) > Gadilida (Order) > Gadilidae (Family)

Gadus
 Gadus Deshayes, 1861 accepted as Gadus Deshayes, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Scaphopoda (Class) > Gadilida (Order) > Gadilidae (Family)
 Gadus Rang, 1829 accepted as Gadus Rang, 1829 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gadus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Gadidae (Family)
     Gadus Dejean, 1821 accepted as Omias Germar, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gaedea
     Gaedea Hering, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Zygaenidae (Family)
 Gaedea Romieux, 1943 accepted as Gaedeina Romieux, 1945 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Gaedioxenis
     Gaedioxenis Townsend, 1943 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Gaedioxenis Villeneuve, 1937 accepted as Gaedioxenis Townsend, 1943 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gaertnera
     Gaertnera Lamarck, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Gaertnera A.J. Retzius, 1791 accepted as Sphenoclea J. Gaertner, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Sphenocleaceae (Family)
 Gaertnera Schreber, 1789 accepted as Hiptage J. Gaertner, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)

Gaetice
 Gaetice Tesch, 1918 accepted as Gaetice Gistel, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Grapsidae (Family)
     Gaetice Gistel, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Varunidae (Family)

Gaetulia
 Gaetulia Simon, 1879 accepted as Solpuga Lichtenstein, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Solpugidae (Family)
     Gaetulia Stål, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Nogodinidae (Family)
     Gaetulia Kobelt, 1898 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gagea
 Gagea Raddi, 1819 accepted as Zygodon W.J. Hooker & T. Taylor, 1818 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Orthotrichales (Order) > Orthotrichaceae (Family)
     Gagea R.A. Salisbury, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Gagrella
     Gagrella Roewer, 1910 accepted as Hexomma Thorell, 1876 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
     Gagrella Stoliczka, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)

Gagroxychilus
     Gagroxychilus Riedel, 1966 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)
     Gagroxychilus Clauss, 1991 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)

Gaia
     Gaia Krylov, 1975 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cupolida (Order) > Tinnidae (Family)
     Gaia Wells, 2012 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Gaillardia
     Gaillardia Matthew, 1932 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Talpidae (Family)
     Gaillardia Fischer-Piette, Blanc, Blanc & Salvat, 1993 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helixarionoidea (awaiting allocation) (Family)
     Gaillardia Fougeroux, 1786 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gaillardotella
 Gaillardotella Mougeot, 1898 accepted as Gloeotrichia J.G. Agardh ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Gloeotrichiaceae (Family)
     Gaillardotella Bory de Saint-Vincent ex Kuntze, 1898 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Rivulariaceae (Family)

Gaillonia
 Gaillonia A. Richard ex A.P. de Candolle, 1830 accepted as Plocama W. Aiton, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Gaillonia F. Rudolphi, 1831 accepted as Ceramium Roth, 1797 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Ceramiaceae (Family)

Gaimardia
     Gaimardia Gould, 1852 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Gaimardiidae (Family)
     Gaimardia Gaudichaud-Beaupré, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Restionaceae (Family)

Gainia
     Gainia R.L. Moe, 1985 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Gainiaceae (Family)
     Gainia Trouessart, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Nanorchestidae (Family)

Galachrysia
     Galachrysia Bonaparte, 1854 accepted as Galachrysia Bonaparte, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Galachrysia Gray, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Galanthis
 Galanthis Bate, 1856 accepted as Hyale Rathke, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Hyalidae (Family)
 Galanthis Gistel, 1848 accepted as Babylonia Schlüter, 1838 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Babyloniidae (Family)

Galataea
 Galataea Duméril, 1805 accepted as Galathea Fabricius, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)
 Galataea Leach, 1823 accepted as Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)

Galatea
     Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)
 Galatea Agassiz, 1846 accepted as Galatea Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Galatea Leach, 1815 accepted as Galathea Fabricius, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)
     Galatea Philippi, 1850 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Galatea Cassini ex Lessing, 1832 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Galatea R.A. Salisbury ex Kuntze, 1891 accepted as Eleutherine Herbert, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Galathaea
     Galathaea Rathke, 1841 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Galathaea Bory, 1827 accepted as Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)

Galathea
 Galathea Lamarck, 1805 accepted as Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)
     Galathea Fabricius, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)
     Galathea F. Liebmann, 1857 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Galax
     Galax Sims, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Diapensiaceae (Family)
 Galax Linnaeus, 1753 accepted as Nemophila Nuttall, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)

Galaxea
 Galaxea Milne Edwards, 1857 accepted as Galaxea Oken, 1815 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Euphylliidae (Family)
     Galaxea Oken, 1815 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Euphylliidae (Family)

Galaxia
 Galaxia Thunberg, 1782 accepted as Moraea P. Miller, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)
     Galaxia Turner, 2020 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Axinellida (Order) > Hemiasterellidae (Family)

Galaxias
     Galaxias Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Galaxiidae (Family)
 Galaxias Beck, 1837 accepted as Trigonephrus Pilsbry, 1905 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Dorcasiidae (Family)

Galba
     Galba Schrank, 1803 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)
 Galba Latreille, 1829 accepted as Galbites Fleutiaux, 1918 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Eucnemidae (Family)
 Galba Guérin, 1830 accepted as Galbites Fleutiaux, 1918 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Eucnemidae (Family)
     Galba Heyden, 1826 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Galba Johnson, 1992 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
     Galba Johnston, 1827 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Insecta (awaiting allocation) (Order) > Insecta (awaiting allocation) (Family)

Galbula
     Galbula de Lacepède, 1799 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Galbulidae (Family)
     Galbula Scopoli, 1777 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Oriolidae (Family)
     Galbula Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Galbulidae (Family)
 Galbula Möhring, 1758 accepted as Galbula Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Galbulidae (Family)

Gale
 Gale Wagner in Schreber, 1841 accepted as Mustela Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Gale Duhamel du Monceau, 1755 accepted as Myrica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Myricaceae (Family)

Galea
     Galea Mörch, 1852 accepted as Tonna Brünnich, 1771 (unavailable name)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Tonnidae (Family)
 Galea Kristan, 1957 † accepted as Galeanella Kristan, 1958 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Miliolida (Order) > Milioliporidae (Family)
     Galea Meyen, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Caviidae (Family)
     Galea Cuvier, 1817 † accepted as Echinocorys Leske, 1778 † (unavailable name)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Holasteroida (Order) > Echinocorythidae (Family)
     Galea Smith, 1817 † accepted as Echinocorys Leske, 1778 † (junior objective synonym)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Holasteroida (Order) > Echinocorythidae (Family)
     Galea Meuschen, 1787 accepted as (unavailable name)· Animalia (Kingdom) > Echinodermata (Phylum) > (Class) > (Order) > (Family)
     Galea D. Maier, 1959 † accepted as Chiropteridium H. Gocht, 1960 † (junior homonym)· Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Areoligeraceae (Family)

Galeana
     Galeana Köhler, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Galeana La Llave in La Llave & Lexarza, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Galearia
 Galearia K.B. Presl, 1831 accepted as Galearia K.B. Presl, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Galearia Zollinger & Moritzi in Moritzi, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Pandaceae (Family)
     Galearia Brullé in Lepeletier, 1846 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Galeaspis
     Galeaspis Liu, 1965 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Agnatha (awaiting allocation) (Class) > Agnatha (awaiting allocation) (Order) > Agnatha (awaiting allocation) (Family)
     Galeaspis Ivshin in Borukaev, 1955 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)

Galeata
     Galeata Böttger, 1877 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
     Galeata J.C. Wendland, 1798 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)

Galeatella
     Galeatella (E. Wimmer) O. Degener & I. Degener, 1962 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)
 Galeatella Sapel'nikov & Rukavishnikova, 1975 † accepted as Galeatellina Sapel'nikov & Rukavishnikova, 1976 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Pentamerida (Order) > Virgianidae (Family)
     Galeatella Muir-Wood & Cooper, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Leioproductidae (Family)

Galemys
     Galemys Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Talpidae (Family)
     Galemys Pomel, 1848 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Soricidae (Family)

Galene
     Galene De Haan in Siebold, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galenidae (Family)
     Galene R. D'Archino & G.C. Zuccarello in D'Archino, Nelson & Zuccarello, 2014 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Halymeniales (Order) > Halymeniaceae (Family)

Galenia
     Galenia Linnaeus, 1753 accepted as Aizoon Linnaeus, 1753 (junior subjective synonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
     Galenia Mulsant & Verreaux, 1866 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Galeocephala
     Galeocephala Mathews, 1926 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Galeocephala Stimpson, 1857 accepted as · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Planariidae (Family)

Galeodes
     Galeodes Heckel, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Galeodes Röding, 1798 accepted as Melongena Schumacher, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Melongenidae (Family)
     Galeodes R. Levy & J.M.H. Shaw, 2002 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Galeodes Olivier, 1791 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Galeodidae (Family)

Galeodioptriger
     Galeodioptriger Lindner, 1933 accepted as Galeodioptriger Rozkošný, 1977 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Galeodioptriger Lindner, 1937 accepted as Galeodioptriger Rozkošný, 1977 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
 Galeodioptriger Rozkošný, 1977 accepted as Nemotelus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)

Galeola
     Galeola Quenstedt, 1874 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Holasteridae (Family)
     Galeola Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Galeola Gray, 1858 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Olividae (Family)

Galeolaria
 Galeolaria Lens & van Riemsdijk, 1908 accepted as Sulculeolaria Blainville, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Galeolaria Blainville, 1830 accepted as Sulculeolaria Blainville, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Galeolaria Vogt, 1854 accepted as Chelophyes Totton, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
     Galeolaria Lamarck, 1818 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Serpulidae (Family)
 Galeolaria Huxley, 1859 accepted as Lensia Totton, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Galeolaria Moser, 1925 accepted as Lensia Totton, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)

Galeomma
     Galeomma Turton, 1825 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Galeommatidae (Family)
     Galeomma S. Rauschert, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Galeopsis
     Galeopsis Jullien, 1903 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Celleporidae (Family)
     Galeopsis Hinz-Schallreuter, 1993 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Bradoriida (Order) > Bradoriida (awaiting allocation) (Family)
     Galeopsis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Galeopsis Moench, 1794 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Galeopsis J. Hill, 1756 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Galeopsis Adanson, 1763 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Galeotherium
     Galeotherium Jaeger, 1835 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Canidae (Family)
 Galeotherium Wagner, 1840 † accepted as Ictitherium Wagner, 1848 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Hyaenidae (Family)

Galeottia
 Galeottia Ruprecht ex H.G. Galeotti, 1842 accepted as Zeugites P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Galeottia A. Richard & H.G. Galeotti, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Galera
 Galera Blume, 1825 accepted as Epipogium Gmelin ex Borkhausen, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Galera (E.M. Fries) P. Kummer, 1871 accepted as Galerina F.S. Earle, 1909 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)
 Galera Cate, 1973 accepted as Habuprionovolva Azuma, 1970 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ovulidae (Family)
 Galera Gray, 1842 accepted as Eira Smith, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Galera Herre, 1927 accepted as Callogobius Bleeker, 1874 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Galerella
 Galerella Earle, 1909 accepted as Conocybe Fayod, 1889 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Bolbitiaceae (Family)
     Galerella Gray, 1865 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Herpestidae (Family)

Galeria
 Galeria accepted as Galearia Zollinger & Moritzi in Moritzi, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Pandaceae (Family)
 Galeria Dalla Torre, 1898 accepted as Galeria Dalla Torre, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Galericulus
     Galericulus Sowerby, 1839 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Galericulus Seeley, 1861 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Galerita
     Galerita Fischer, 1807 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Galerita Fabricius, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Galerita Rafinesque, 1815 accepted as Galerita Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Galerita Gouan, 1770 accepted as Galerita Gouan, 1770 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Galerita Selys, 1842 accepted as Galerida Boie, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Alaudidae (Family)

Galeropsis
     Galeropsis Velenovský, 1930 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Bolbitiaceae (Family)
     Galeropsis Conrad, 1866 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Galeropsis Kutassy, 1937 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Galeropsis Hupé, 1860 † accepted as Coralliophila H. Adams & A. Adams, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)

Galeruca
     Galeruca Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Galeruca Fourcroy, 1785 accepted as Galeruca Geoffroy, 1762 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Galeruca Muller, 1764 accepted as Galeruca Geoffroy, 1762 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Galerucella
     Galerucella Crotch, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Galerucella Laboissière, 1922 & 1934 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Galerucida
 Galerucida Gemminger & Harold, 1876 accepted as Gallerucida Motschoulsky, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Galerucida Chapuis, 1875 accepted as Gallerucida Motschoulsky, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Galesus
 Galesus Curtis, 1831 accepted as Psilus Panzer, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Diapriidae (Family)
     Galesus Haliday in Curtis, 1829-30 accepted as Psilus Panzer, 1806 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Diapriidae (Family)

Galeus
 Galeus Leach, 1818 accepted as Mustelus Linck, 1790 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Triakidae (Family)
 Galeus Garman, 1913 accepted as Prionace Cantor, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)
 Galeus Valmont de Bomare, 1768 accepted as Prionace Cantor, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)
     Galeus Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Pentanchidae (Family)
 Galeus Cuvier, 1816 accepted as Galeorhinus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Triakidae (Family)
 Galeus Schaeffer, 1760 accepted as Galeorhinus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Triakidae (Family)
 Galeus Walbaum, 1792 accepted as Squalus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Squalidae (Family)

Galgulus
 Galgulus Latreille, 1802 accepted as Gelastocoris Kirkaldy, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Gelastocoridae (Family)
 Galgulus Brisson, 1760 accepted as Coracias Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Galgulus Wagler, 1827 accepted as Galgulus Wagler, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)
 Galgulus Kittlitz, 1832 accepted as Galgulus Kittlitz, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Turdidae (Family)

Galictis
     Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Galictis Geoffroy, 1837 accepted as Galidictis Geoffroy, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Eupleridae (Family)

Galidictis
     Galidictis Geoffroy, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Eupleridae (Family)
 Galidictis Agassiz, 1846 accepted as Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)

Galinia
     Galinia Okuneva, 1968 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Galinia A.G. Vologdin, 1962 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Trichostromataceae (Family)

Galkinia
     Galkinia Ghekker, 1948 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Galkinia Ross & Newman, 1995 accepted as Galkinius Perreault, 2014 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Sessilia (Order) > Pyrgomatidae (Family)

Gallardoia
 Gallardoia Sirenko, 2007 accepted as Gallardochiton Sirenko, 2020 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Tonicellidae (Family)
     Gallardoia Bruch, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gallienia
     Gallienia Oberthür, 1916 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gallienia Brongniart, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gallienia Dubard & Dop, 1925 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gallina
 Gallina Vieillot, 1816 accepted as Grallina Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)
     Gallina Gray, 1840 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gallina Linnaeus in Hasselquist, 1762 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gallina Hartmann, 1844 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gallinago
     Gallinago Leach, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Gallinago Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
 Gallinago Koch, 1816 accepted as Gallinago Koch, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)

Gallinula
     Gallinula Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
 Gallinula Mörch, 1852 accepted as Labiostrombus Oostingh, 1925 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Strombidae (Family)
     Gallinula Pennant, 1769 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)

Gallinulopha
     Gallinulopha Bonaparte, 1854 accepted as Gallicrex Blyth, 1852 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
 Gallinulopha G.R. Gray, 1855 accepted as Gallicrex Blyth, 1852 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)

Gallitellia
 Gallitellia Venturi & Ferri, 2001 † accepted as Harpoceras Waagen, 1869 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Hildoceratidae (Family)
     Gallitellia Cuif, 1977 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)
 Gallitellia Loeblich & Tappan, 1986 † accepted as Neogallitellia Özdikmen, 2009 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Globigerinida (Order) > Guembelitriidae (Family)

Galloisia
     Galloisia Hustache, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Galloisia Caudell & King, 1924 accepted as Galloisiana Caudell, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Grylloblattodea (Order) > Grylloblattidae (Family)

Gallowayina
 Gallowayina Ellis, 1932 † accepted as Orbitoides d'Orbigny in Lyell, 1848 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Orbitoididae (Family)
 Gallowayina Thompson, 1964 † accepted as Gallowayinella Chen, 1937 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Boultoniidae (Family)

Gallus
 Gallus Lacepède, 1802 accepted as Alectis Rafinesque, 1815 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Gallus de Haan in Siebold, 1837 accepted as Calappa Weber, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Calappidae (Family)
 Gallus Möhring, 1758 accepted as Gallus Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
     Gallus Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
     Gallus Rafinesque, 1815 accepted as Gallus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gallus Scudder, 1882 accepted as Gallus Scudder, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Galtonia
 Galtonia Decaisne, 1880 accepted as Ornithogalum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
     Galtonia Hunt & Lucas, 1994 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Ornithischia (Order) > Ornithischia (awaiting allocation) (Family)

Galvesia
 Galvesia J.F. Gmelin, 1792 accepted as Galvezia Dombey ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)
 Galvesia C.H. Persoon, 1805 accepted as Pitavia Molina, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)

Galvezia
 Galvezia Ruiz & Pavon, 1794 accepted as Pitavia Molina, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
     Galvezia Dombey ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Galziniella
     Galziniella Müller, 1991 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Hyssuridae (Family)
 Galziniella E. Parmasto, 1968 accepted as Sistotrema E.M. Fries, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Cantharellales (Order) > Hydnaceae (Family)

Gama
     Gama Blanchard, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gama Navás, 1912 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Gama La Llave, 1884 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gamba
 Gamba Schaufuss, 1872 accepted as Jubus Schaufuss, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gamba Liais, 1872 † accepted as Didelphis Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Didelphimorphia (Order) > Didelphidae (Family)

Gambelia
     Gambelia Nuttall, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)
     Gambelia Baird, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Crotaphytidae (Family)

Gambetta
 Gambetta Koch, 1816 accepted as Limosa Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Gambetta Kaup, 1829 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gamelia
     Gamelia Dejean, 1836 accepted as Gamelia Dejean, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > (Family)
     Gamelia Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)

Gammaraia
 Gammaraia Leigh-Sharpe, 1924 accepted as Raja Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rajidae (Family)
     Gammaraia Jordan, 1925 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gamosepalum
 Gamosepalum Schlechter, 1920 accepted as Aulosepalum L.A. Garay, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gamosepalum Haussknecht, 1897 accepted as Alyssum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Gampsonyx
     Gampsonyx Vigors, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Accipitridae (Family)
 Gampsonyx Jordan, 1847 † accepted as Gampsonyx Jordan, 1847 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Anaspidacea (Order) > Uronectidae (Family)

Ganesa
     Ganesa Jeffreys, 1883 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Skeneidae (Family)
     Ganesa Peckham, 1885 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Ganga
     Ganga Vigors, 1825 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Ganga Layard, 1855 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gangamela
     Gangamela Walker, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Gangamela Walker, 1865 accepted as Gangamela Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Ganglbaueria
 Ganglbaueria Likovsky, 1984 accepted as Rhopaletes Cameron, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Ganglbaueria Semenov, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Oedemeridae (Family)

Gangra
 Gangra Roberts & Ferraris, 1998 accepted as Gogangra Roberts, 2001 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Sisoridae (Family)
 Gangra Walker, 1862 accepted as Oxidercia Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Gannania
     Gannania Fu, 1982 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Metathyrisinidae (Family)
 Gannania Fu, 1984 † accepted as Gannania Fu, 1982 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Metathyrisinidae (Family)

Ganonema
     Ganonema K.-C. Fan & Y.-C. Wang, 1974 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Liagoraceae (Family)
     Ganonema McLachlan, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Calamoceratidae (Family)

Ganxiella
     Ganxiella Liu & Gu in Gu Daoyuan & Liu Xiezhang, 1989 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneroida (awaiting allocation) (Family)
     Ganxiella Wei, 1988 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Ganymedes
     Ganymedes Leigh-Sharpe, 1915 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
     Ganymedes Huxley, 1910 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Ganymedidae (Family)
 Ganymedes R.A. Salisbury ex A.H. Haworth, 1819 accepted as Narcissus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
 Ganymedes Gistl, 1848 accepted as Ganymedes Gistl, 1848 · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Comatulida (Order) > Antedonidae (Family)

Gaphara
 Gaphara Walker, 1862 accepted as Condica Walker, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gaphara Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)

Garantiana
     Garantiana Mascke, 1907 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
     Garantiana Hyatt in Eastman-Zittel, 1900 † accepted as Garantiana Hyatt in Eastman-Zittel, 1900 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Garciana
     Garciana Schallreuter, 1995 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda incertae sedis (Family)
     Garciana Loureiro, 1790 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Pontederiaceae (Family)

Gardena
 Gardena Adanson, 1763 accepted as Gardenia J. Ellis, 1761 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Gardena Dohrn, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)

Gardenia
     Gardenia J. Ellis, 1761 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Gardenia J. Colden, 1756 accepted as Gardenia J. Colden, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Clusiaceae (Family)

Gardineria
 Gardineria Rathbun, 1911 accepted as Euryozius Miers, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pseudoziidae (Family)
     Gardineria Vaughan, 1907 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Gardineriidae (Family)
 Gardineria Kazantseva-Selentseva, 1981 † accepted as Gardinerpiscis Romano & Kogan, 2015 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cheirolepiformes (Order) > Karaunguriidae (Family)

Gardinia
 Gardinia Desmarest in Chenu, 1858 accepted as Trimusculus F. C. Schmidt, 1818 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Eupulmonata incertae sedis (Order) > Trimusculidae (Family)
     Gardinia Kirby, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Gardnerella
     Gardnerella Greenwood & Pickett, 1980 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Bifidobacteriales (Order) > Bifidobacteriaceae (Family)
     Gardnerella Chavan, 1951 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Lucinidae (Family)

Gargantua
     Gargantua Jullien, 1888 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Microporidae (Family)
     Gargantua Kirby, 1892 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)

Gargaphia
     Gargaphia Stål, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tingidae (Family)
 Gargaphia Walker, 1862 accepted as Sarisa Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Gargilius
     Gargilius Fairmaire, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gargilius Schmidt, 1906 accepted as Laemonema Günther in Johnson, 1862 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)
 Gargilius Jensen in Koefoed, 1953 accepted as Laemonema Günther in Johnson, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)

Gari
     Gari Schumacher, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Psammobiidae (Family)
     Gari Cossmann, 1886 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Psammobiidae (Family)

Garialis
 Garialis Lydekker, 1896 † accepted as Gavialis Oppel, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Gavialidae (Family)
 Garialis Lydekker, 1888 † accepted as Gavialis Oppel, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Gavialidae (Family)

Garnhamphysalis
 Garnhamphysalis Hoogstraal & Wassef, 1981 accepted as Haemaphysalis Koch, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Ixodida (Order) > Ixodidae (Family)
     Garnhamphysalis Hoogstraal & Wassef, undated (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Acari (awaiting allocation) (Order) > Acari (awaiting allocation) (Family)

Garnia
     Garnia Casey, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Garnia Lainson, Landau & Shaw, 1971 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Haemosporida (Order) > Garniidae (Family)

Garnieria
     Garnieria Bourguignat, 1877 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
     Garnieria A.T. Brongniart & Gris, 1871 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Garnieria Sayn, 1901 † accepted as Garniericeras Spath, 1924 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Garnotia
 Garnotia Gray, 1857 accepted as Crepidula Lamarck, 1799 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Calyptraeidae (Family)
     Garnotia A.T. Brongniart in Duperrey, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Garovaglia
 Garovaglia Trevisan, 1853 accepted as Polychidium (Acharius) S.F. Gray, 1821 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Peltigerales (Order) > Massalongiaceae (Family)
     Garovaglia Endlicher, 1836 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Pterobryaceae (Family)

Garra
     Garra Hamilton, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Garra Gray, 1842 accepted as Garra Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Garrettia
     Garrettia Paetel, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Assimineidae (Family)
     Garrettia Fletcher, 1937 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
     Garrettia Cossmann, 1900 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)

Garrulina
     Garrulina Gray, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Garrulina Bonaparte, 1854 accepted as Garrulina Bonaparte, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Garrulus
     Garrulus Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)
 Garrulus Dumont, 1822 accepted as Bombycilla Vieillot, 1807 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Bombycillidae (Family)

Garthopilumnus
     Garthopilumnus Števčić, 2011 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Eriphiidae (Family)
 Garthopilumnus Števčić, 2005 accepted as Garthopilumnus Števčić, 2011 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Eriphiidae (Family)

Garuda
     Garuda Scherer, 1969 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Garuda Yakovlev, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Cossidae (Family)

Gasconadia
     Gasconadia Ulrich & Bridge, 1930 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda incertae sedis (Order) > Sinuopeidae (Family)
     Gasconadia Weller & St Clair, 1928 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Ptychocaulidae (Family)

Gasmara
     Gasmara Walker, 1862 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Gasmara Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)

Gasparrinia
     Gasparrinia A. Bertoloni, 1839 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Gasparrinia Tornabene, 1848-1849(?) accepted as Caloplaca Th. Fries, 1860 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Teloschistaceae (Family)

Gasteracanthus
     Gasteracanthus Agassiz, 1833 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Gasteracanthus Pallas, 1814 accepted as Gasterosteus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gasterosteiformes (Order) > Gasterosteidae (Family)

Gasteripus
     Gasteripus Rafinesque, 1814 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Gasteripus Rafinesque, 1819 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Gasteripus Rafinesque, 1815 accepted as Gasteripus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Nematomorpha (Phylum) > Nematomorpha (awaiting allocation) (Class) > Nematomorpha (awaiting allocation) (Order) > Nematomorpha (awaiting allocation) (Family)

Gasteropelecus
     Gasteropelecus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Gasteropelecidae (Family)
 Gasteropelecus Gronovius, 1763 accepted as Gasteropelecus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Gasteropelecidae (Family)

Gasterotrichula
     Gasterotrichula Graff in Bronn, 1912 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)
     Gasterotrichula Bargoni, 1896 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Platyhelminthes incertae sedis (Class) > Platyhelminthes incertae sedis (Order) > Platyhelminthes incertae sedis (Family)

Gastonia
     Gastonia Kirkland, 1998 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Ornithischia (Order) > Ankylosauridae (Family)
     Gastonia Commerson ex Lamarck, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)

Gastonialoe
     Gastonialoe C.C. Walker, 2017 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)
 Gastonialoe J.M.H. Shaw, 2017 accepted as Gastonialoe C.C. Walker, 2017 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)

Gastracanthus
 Gastracanthus Agassiz, 1846 † accepted as Gastracanthus Agassiz, 1846 † · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Gastracanthus Westwood, 1833 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
 Gastracanthus Westwood, 1835 accepted as Gasteracantha Sundevall, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)

Gastraea
     Gastraea Haeckel, 1872 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Gastraea Sauvage, 1874 accepted as Spinachia Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gasterosteiformes (Order) > Gasterosteidae (Family)

Gastranthus
 Gastranthus F.J.H. von Mueller, 1868 accepted as Parsonsia R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Gastranthus Moritz ex Bentham & J.D. Hooker, 1876 accepted as Stenostephanus C.G.D. Nees in C.F.P. Martius, 1847 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gastraspis
     Gastraspis Lin, 1988 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eucoilidae (Family)
 Gastraspis Flach, 1907 accepted as Brachyderes Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gastridium
 Gastridium Modeer, 1793 accepted as Conus Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Conidae (Family)
     Gastridium Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Gastridium Sowerby in Darwin, 1846 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Pseudolividae (Family)
     Gastridium Sowerby, 1842 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gastridium Lyngbye, 1819 accepted as Chylocladia Greville in W.J. Hooker, 1833 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Rhodymeniales (Order) > Champiaceae (Family)

Gastrimargus
 Gastrimargus Schwarz, 1902 accepted as Margogastrius Schwarz, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Gastrimargus de Saussure, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Gastrimargus Spix, 1824 accepted as Lagothrix Geoffroy, 1812 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Atelidae (Family)

Gastrina
     Gastrina Guenée, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Gastrina Ashmead, 1889 accepted as Gastrina Ashmead, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tropiduchidae (Family)

Gastris
 Gastris Lühe in Herdman, 1906 accepted as Lintonium Stunkard & Nigrelli, 1930 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Fellodistomidae (Family)
     Gastris Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gastrocalyx
     Gastrocalyx G. Gardner, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
 Gastrocalyx B.K. Schischkin, 1919 accepted as Silene Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Gastrochaeta
 Gastrochaeta Holland, 1894 accepted as Meza Hemming, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
     Gastrochaeta Grimm, 1877 (uncertain)· Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)
     Gastrochaeta Dujardin, 1841 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Gastrochilus
 Gastrochilus Wallich, 1829 accepted as Boesenbergia O. Kuntze, 1891 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)
     Gastrochilus D. Don, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gastrochoena
 Gastrochoena Spengler, 1783 accepted as Gastrochaena Spengler, 1783 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Gastrochaenidae (Family)
 Gastrochoena Lamarck, 1818 accepted as Gastrochaena Spengler, 1783 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Gastrochaenidae (Family)
     Gastrochoena Brown, 1827 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gastrocotyle
     Gastrocotyle Bunge, 1849 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
     Gastrocotyle Beneden & Hesse, 1863 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Mazocraeidea (Order) > Gastrocotylidae (Family)

Gastrocystis
     Gastrocystis Chatton, 1910 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Eimeriidae (Family)
 Gastrocystis Brumpt, 1913 accepted as Besnoitia Henry, 1913 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Sarcocystidae (Family)

Gastrodes
 Gastrodes Hesse, 1866 accepted as Hypogastrion Wilson, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Notodelphyidae (Family)
     Gastrodes Korotneff, 1888 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Cydippida (Order) > Mertensiidae (Family)
     Gastrodes Westwood, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)

Gastrodon
 Gastrodon Agassiz, 1846 accepted as Serrasalmus Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Serrasalmidae (Family)
     Gastrodon Lowe, 1852 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gastrodonta
 Gastrodonta Weise, 1923 accepted as Hysmatodon Reid, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gastrodonta Albers, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)

Gastrodus
 Gastrodus MacLeay in King, 1826 accepted as Stenocorynus Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gastrodus Owen, 1867 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Gastrodus Dejean, 1821 accepted as Liophloeus Germar, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gastrogomphus
     Gastrogomphus Needham, 1948 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
     Gastrogomphus Needham, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)

Gastroidea
     Gastroidea Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gastroidea Gemminger & Harold, 1874 accepted as Gastrophysa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gastrolepta
     Gastrolepta Lioy, 1864 accepted as Delia Robineau-Desvoidy, 1830 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anthomyiidae (Family)
     Gastrolepta Rondani, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gastrolobium
     Gastrolobium R. Brown in W.T. Aiton, 1811 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Gastrolobium Casey, 1905 accepted as Homaeotarsus Hochhuth, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gastronemus
 Gastronemus Agassiz, 1846 † accepted as Gastronemus Agassiz, 1846 † · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Gastronemus Cocco, 1846 accepted as Mora Risso, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)

Gastrophysa
     Gastrophysa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gastrophysa Gebler, 1842 accepted as Gastrophysa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gastrophysema
 Gastrophysema Haeckel, 1877 accepted as Halyphysema Bowerbank, 1862 · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Halyphysemidae (Family)
     Gastrophysema Haeckel, 1875 accepted as Halyphysema Bowerbank, 1862 (nomen nudum)· Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Halyphysemidae (Family)

Gastropius
     Gastropius Rafinesque, 1815 accepted as Gastropius Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
 Gastropius Lefèvre, 1885 accepted as Adorea Lefèvre, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gastroptera
 Gastroptera Agassiz, 1846 accepted as Gastroptera Agassiz, 1846 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gastroptera Oken, 1815 accepted as Gastropteron Kosse, 1813 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Gastropteridae (Family)

Gastrotheca
     Gastrotheca Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hemiphractidae (Family)
     Gastrotheca Guérin-Méneville in Lefebvre, 1849 accepted as Physaraia Shenefelt, 1978 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Gastrus
     Gastrus Meigen, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Oestridae (Family)
     Gastrus Gray, 1842 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gasworthia
 Gasworthia Gates, 1955 accepted as Gasworthia Gates, 1955 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Gasworthia Gates & G.D. Rowley, 1982 accepted as Gasworthia Gates & G.D. Rowley, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Gatesia
 Gatesia A. Gray, 1878 accepted as Yeatesia Small, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Gatesia A. Bertoloni, 1848 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Gatesia Jamieson, 1962 · Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Haplotaxida (Order) > Ocnerodrilidae (Family)

Gathynia
     Gathynia Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)
     Gathynia Walker in Tennent, 1861 accepted as Gathynia Walker, 1862 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)

Gattya
     Gattya Harvey, 1855 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Callithamniaceae (Family)
     Gattya Allman, 1885 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Halopterididae (Family)

Gatunia
 Gatunia Hebard, 1927 accepted as Gatunella Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gatunia Rathbun, 1918 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gaudichaudia
     Gaudichaudia Kunth in Humboldt, Bonpland & Kunth, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)
     Gaudichaudia Rathbun, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)

Gaudinia
     Gaudinia Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Gaudinia J. Gay, 1829 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)

Gaudium
     Gaudium Peterson & Atyeo, 1972 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Alloptidae (Family)
     Gaudium P.G. Wilson, 2023 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Gaudrya
     Gaudrya Fritsch, 1885 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Temnospondyli (Order) > Cochleosauridae (Family)
     Gaudrya Grand'Eury, 1890 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Gaudryanella
     Gaudryanella Canu, 1907 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)
     Gaudryanella Canu, 1900 † accepted as Gaudryanella Canu, 1907 (nomen nudum)· Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)

Gauropsis
 Gauropsis (J. Torrey & Frémont) Cockerell, 1900 accepted as Oenothera Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)
 Gauropsis K.B. Presl, 1851 accepted as Oenothera Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)

Gaurotes
     Gaurotes Leconte, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Gaurotes Lacordaire, 1869 accepted as Pseudogaurotina Plavil'shchikov, 1958 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gausapia
 Gausapia E.M. Fries, 1825 accepted as Septobasidium Patouillard, 1892 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Septobasidiales (Order) > Septobasidiaceae (Family)
     Gausapia Hecq, 1976 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gaussia
 Gaussia W.A. Chachlof, 1934 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lycopodiales (Order) > Lycopodiales (awaiting allocation) (Family)
     Gaussia Wolfenden, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Metridinidae (Family)
     Gaussia H. Wendland, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
 Gaussia M.F. Neuburg, 1934 † accepted as Paravojnovskya A.B. Doweld, 2004 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Vojnovskyales (Order) > Vojnovskyaceae (Family)

Gauzania
     Gauzania Walker, 1856 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Gauzania Walker, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gavia
 Gavia Boie, 1822 accepted as Gavia Boie, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
 Gavia Möhring, 1758 accepted as Gavia Forster, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gaviiformes (Order) > Gaviidae (Family)
     Gavia Forster, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gaviiformes (Order) > Gaviidae (Family)
 Gavia Gloger, 1842 accepted as Gavia Gloger, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriidae (Family)
 Gavia Oken, 1816 accepted as Gavia Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Gavial
     Gavial Cuvier, 1807 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Gavial Oken, 1817 † accepted as Gavialis Oppel, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Gavialidae (Family)

Gavina
     Gavina Bonaparte, 1854, nom. nud. accepted as Larus Linnaeus, 1758 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
 Gavina Bonaparte, 1854 accepted as Larus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Gaviota
     Gaviota Miller & Sibley, 1941 † · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
     Gaviota Barnard, 1958 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Isaeidae (Family)

Gaya
 Gaya K.P.J. Sprengel, 1824 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Gaya Gaudin, 1826 accepted as Pachypleurum Ledebour, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
     Gaya Kunth in Humboldt, Bonpland & Kunth, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Gayella
     Gayella Spinola in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Gayella Pierre, 1890 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)
 Gayella Hustache, 1938 accepted as Ethelda Casey, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gayella Rosenvinge, 1893 accepted as Rosenvingiella P.C. Silva, 1957 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Prasiolales (Order) > Prasiolaceae (Family)

Gaza
     Gaza Watson, 1879 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Margaritidae (Family)
 Gaza accepted as Gazza Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Leiognathidae (Family)
 Gaza Teran & Berlandier, 1832 accepted as Ehretia P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)

Gazella
 Gazella Reed, 1894 accepted as Gayella Spinola in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Gazella Rafinesque, 1815 accepted as Gazella de Blainville, 1816 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Gazella Lichtenstein, 1814 accepted as Gazella de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
     Gazella de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Gazella Pallas, 1769 accepted as Gazella de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Gazera
 Gazera Houlbert, 1918 accepted as Zegara Oiticica Filho, 1954 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Castniidae (Family)
     Gazera Herrich-Schäffer, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Castniidae (Family)

Gazimuria
     Gazimuria Spasskiy, 1960 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)
     Gazimuria Popov, 1971 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Gazza
     Gazza Distant, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Gazza Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Leiognathidae (Family)

Gea
     Gea Koch, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)
 Gea Berendt, 1845 † accepted as Gea Koch, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)
 Gea Menge in Berendt, 1854 † accepted as Gea Koch, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)

Geanthus
     Geanthus Rafinesque, 1814 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)
 Geanthus R.A. Philippi, 1884 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Geanthus Reinwardt, 1825 accepted as Etlingera Giseke, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)
 Geanthus T. Valeton, 1914 accepted as Etlingera Giseke, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)

Geaya
     Geaya Villiers, 1945 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Geaya Costantin & H. Poisson, 1908 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
     Geaya Roewer, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
 Geaya Daday, 1905 accepted as Geayia Thor, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Krendowskiidae (Family)

Gebiopsis
 Gebiopsis A. Milne-Edwards, 1868 accepted as Upogebia Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Upogebiidae (Family)
 Gebiopsis auctorum accepted as Upogebia Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Upogebiidae (Family)

Gebios
 Gebios Bosc, 1813 accepted as Upogebia Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Upogebiidae (Family)
 Gebios Risso, 1822 accepted as Callianassa Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Callianassidae (Family)

Geblera
 Geblera M. Kitagawa, 1937 accepted as Crepidiastrum Nakai, 1920 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Geblera F.E.L. Fischer & C.A. Meyer, 1835 accepted as Flueggea Willdenow, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Gecarcinus
     Gecarcinus Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gecarcinidae (Family)
 Gecarcinus de Haan, 1835 accepted as Gecarcoidea H. Milne Edwards, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gecarcinidae (Family)

Gedrosia
     Gedrosia Bogatchev, 1961 accepted as Pseudopodhomala Schuster, 1938 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gedrosia Stål, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Eurybrachidae (Family)

Gegenes
     Gegenes Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
     Gegenes Günther, 1876 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)

Geigeria
 Geigeria Neveu-Lemaire, 1912 accepted as Gaigeria Railliet & Henry, 1910 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Ancylostomatidae (Family)
     Geigeria Griesselich, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Geina
 Geina Jacobson, 1925 accepted as Geinella Strand, 1935 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Geina Tutt, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pterophoridae (Family)

Geinitzella
 Geinitzella Spandel, 1898 † accepted as Lunucammina Spandel, 1898 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Geinitzinidae (Family)
     Geinitzella Waagen & Wentzel, 1886 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Trepostomatida (Order) > Batostomellidae (Family)

Geinitzia
     Geinitzia Hall, 1889 † accepted as Conotreta Walcott, 1890 † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Acrotretida (Order) > Acrotretidae (Family)
     Geinitzia Hall & Clarke, 1892 † (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Geinitzia Handlirsch, 1906 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Gryllacrididae (Family)
     Geinitzia Gemmellaro, 1892 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Geinitzia Dietz, 1910 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Geinitzia Clarke, 1889, nom. nud. † accepted as Geinitzia Clarke, 1889, nom. nud. † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Geinitzia Clarke, 1889, nom. nud. [2] † accepted as Geinitzia Clarke, 1889, nom. nud. [2] † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
 Geinitzia Ozawa, 1927 † accepted as Geinitzia Ozawa, 1927 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Textulariida (Order) > Nodosinellidae (Family)
     Geinitzia Endlicher, 1847 † accepted as Sedites H.B. Geinitz, 1842 † (junior objective synonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Cupressales (Order) > Geinitziaceae (Family)

Geiseleria
 Geiseleria Klotzsch, 1843 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Geiseleria Klotzsch, 1841 accepted as Croton Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Geisleria
 Geisleria Géry, 1971 accepted as Elachocharax Myers, 1927 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Crenuchidae (Family)
     Geisleria Nitschke in Rabenhorst, 1861 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Strigulales (Order) > Strigulaceae (Family)

Geitonomyia
     Geitonomyia Kertész, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Geitonomyia Leicester, 1908 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Geitonomys
     Geitonomys Shevyreva, 1983 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Chapattimyidae (Family)
     Geitonomys Shevyreva, 1984 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Chapattimyidae (Family)

Gela
     Gela Loureiro, 1790 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
     Gela Zimmerman, 1958 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gelasinus
 Gelasinus Hoeven, 1827 accepted as Uca Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Ocypodidae (Family)
 Gelasinus Temminck, 1837 accepted as Nyctimene Borkhausen, 1797 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Pteropodidae (Family)
     Gelasinus Yeh & Yang, 2006 † · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Orbiculiformidae (Family)

Gelastes
     Gelastes Bonaparte, 1853 accepted as Gelastes Bonaparte, 1853 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gelastes Mäklin, 1867 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gelastes Bruch, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gelatinaria
 Gelatinaria Flörke ex Wallroth, 1831 accepted as Nostoc Vaucher ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Nostocaceae (Family)
     Gelatinaria Rafinesque, 1815 · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)

Geleia
     Geleia Kahl, 1933 accepted as Geleia Foissner, 1998 (nomen nudum)· Chromista (Kingdom) > Ciliophora (Phylum) > Karyorelictea (Class) > Karyorelictida (Order) > Geleiidae (Family)
     Geleia Foissner, 1998 · Chromista (Kingdom) > Ciliophora (Phylum) > Karyorelictea (Class) > Karyorelictida (Order) > Geleiidae (Family)

Gelochelidon
     Gelochelidon Brehm, 1831 accepted as Gelochelidon Brehm, 1831 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Sternidae (Family)
     Gelochelidon Brehm, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Sternidae (Family)

Geloina
     Geloina Gray, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cyrenidae (Family)
     Geloina Gray, 1840 † accepted as Geloina Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cyrenidae (Family)

Gelonia
 Gelonia Meek, 1876 † accepted as Geloina Gray, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cyrenidae (Family)
 Gelonia Meyrick, 1885 accepted as Gellonia Meyrick, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Gelonium
 Gelonium Roxburgh ex Willdenow, 1806 accepted as Suregada Roxburgh ex Rottler, 1803 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Gelonium J. Gaertner, 1791 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Gematis
     Gematis Sturm, 1826 accepted as Gematis Dejean, 1821 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gematis Dejean, 1821 accepted as Geniates Kirby, 1819 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gemella
     Gemella Berger, 1960 (Approved Lists, 1980) · Bacteria (Kingdom) > Firmicutes (Phylum) > Bacilli (Class) > Bacillales (Order) > Bacillales incertae sedis (Family)
     Gemella Adams, 1858 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gemella J. Hill, 1761 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gemella Loureiro, 1790 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Gemellaria
     Gemellaria Lamouroux, 1827 (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Gemellaria Haeckel, 1879 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Gemellaria Allman, 1872 accepted as Zanclea Gegenbaur, 1856 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Zancleidae (Family)
 Gemellaria C. Pinel ex Lemaire, 1855 accepted as Gemellaria C. Pinel ex Lemaire, 1855 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)
 Gemellaria Canu & Bassler, 1920 † accepted as Eucratea Lamouroux, 1812 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Pasytheidae (Family)

Gemelliporidra
     Gemelliporidra Canu & Bassler, 1927 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Hippaliosinidae (Family)
     Gemelliporidra Canu & Bassler, 1925 † accepted as Gemelliporidra Canu & Bassler, 1927 (nomen nudum)· Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Hippaliosinidae (Family)

Gemellitheca
     Gemellitheca R.H. Wagner, C.R. Hill & A.A. El-Khayal, 1985 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiales (Order) > Asterothecaceae (Family)
     Gemellitheca Winston & Jackson, 2021 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Bitectiporidae (Family)

Geminaria
     Geminaria Coquillett, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)
 Geminaria C.S. Rafinesque, 1824 accepted as Phyllanthus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Geminella
     Geminella Turpin, 1828 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Chlorellales (Order) > Chlorellaceae (Family)
     Geminella Szczechura, 1994 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Catenicellidae (Family)
     Geminella Billard, 1925 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Sertulariidae (Family)
 Geminella J. Schröter, 1870 accepted as Schroeteria G. Winter, 1881 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Geminites
     Geminites Baloge & Cariou, 1997 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonitida (awaiting allocation) (Family)
     Geminites Baloge & Cariou, 2001 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonitida (awaiting allocation) (Family)

Geminoropa
     Geminoropa Iredale, 1933 accepted as Geminoropa Kershaw, 1955 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)
     Geminoropa Kershaw, 1955 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)

Gemma
     Gemma Wagner, 1907 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cycloneritimorpha (Order) > Helicinidae (Family)
     Gemma Hazay, 1884 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)
     Gemma Deshayes, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Gemma V.A. Luchinina in I.T. Zhuravleva et al., 1982 † accepted as Gemma V.A. Luchinina in I.T. Zhuravleva et al., 1982 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)

Gemmaria
     Gemmaria R.A. Salisbury, 1866 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
 Gemmaria McCrady, 1857 accepted as Palythoa Lamouroux, 1816 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Zoantharia (Order) > Zoanthidae (Family)
 Gemmaria McCrady, 1859, accepted as Zanclea Gegenbaur, 1856 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Zancleidae (Family)
 Gemmaria Duchassaing & Michelotti, 1860 accepted as Haplotella Stechow, 1919 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Zoantharia (Order) > Sphenopidae (Family)

Gemmatricolpites
     Gemmatricolpites R.L. Pierce, 1961 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gemmatricolpites P.M.J. Van Hoeken-Klinkenberg, 1964 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Gemmellaria
     Gemmellaria Munier-Chalmas, 1873 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gemmellaria Fabiani & Ruiz, 1933 † accepted as Sicelia † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Meekellidae (Family)

Gemmellaroceras
     Gemmellaroceras Toumansky, 1937 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gemmellaroceras Hyatt in Eastman-Zittel, 1900 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Gemmellaroia
     Gemmellaroia Cossmann, 1898 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Gemmellaroiidae (Family)
     Gemmellaroia Lyssenko in Lyssenko & Aliev, 1990 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Heterostrophia (awaiting allocation) (Family)

Gemmula
     Gemmula Seguenza, 1876 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gemmula Weinkauff, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Turridae (Family)

Gemmulina
     Gemmulina d'Orbigny in Cuvier, 1838 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Gemmulina E. Descals & L. Marvanová in E. Descals et al., 1999 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Gena
     Gena Gray, 1840 accepted as Gena Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)
 Gena Gray, 1842 accepted as Stomatella Lamarck, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)

Genarches
 Genarches Looss, 1902 accepted as Progonus Looss, 1899 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Derogenidae (Family)
     Genarches Förster, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Genea
 Genea Bellardi, 1873 † accepted as Andonia Harris & Burrows, 1891 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Turridae (Family)
 Genea (Dumortier) Dumortier, 1868 accepted as Bromus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Genea Vittadini, 1831 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
     Genea Rondani, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Geneion
 Geneion Bibron in Duméril, 1855 accepted as Lagocephalus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Tetraodontidae (Family)
     Geneion Troschel, 1856 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Genestia
     Genestia Stål, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Genestia Théry, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Genestiella
     Genestiella Fennah, 1969 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Genestiella Giachino, 1992 accepted as Genestiellina Giachino, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Genetta
     Genetta G. Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Viverridae (Family)
 Genetta Oken, 1816 accepted as Genetta G. Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Viverridae (Family)

Genetyllis
 Genetyllis Malmgren, 1865 accepted as Nereiphylla Blainville, 1828 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Phyllodocidae (Family)
 Genetyllis A.P. de Candolle, 1828 accepted as Darwinia Rudge, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Geniates
     Geniates Heine & Reichenow, 1890 accepted as Chotorea Bonaparte, 1854 (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Ramphastidae (Family)
     Geniates Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Genicularia
     Genicularia Quenstedt, 1858 † · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Serpulidae (Family)
     Genicularia Rifai & R.C. Cooke, 1966 · Fungi (Kingdom) > Ascomycota (Phylum) > Orbiliomycetes (Class) > Orbiliales (Order) > Orbiliaceae (Family)
     Genicularia H.F.A. Roussel, 1806 (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Genicularia Regenhardt, 1961 † (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)
 Genicularia De Bary, 1858 accepted as Genicularina E.A. Molinari-Novoa & M.D. Guiry, 2021 · Plantae (Kingdom) > Charophyta (Phylum) > Zygnematophyceae (Class) > Desmidiales (Order) > Gonatozygaceae (Family)

Geniculifera
     Geniculifera Rifai, 1975 · Fungi (Kingdom) > Ascomycota (Phylum) > Orbiliomycetes (Class) > Orbiliales (Order) > Orbiliaceae (Family)
     Geniculifera Muir-Wood & Cooper, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Productellidae (Family)

Genioclymenia
 Genioclymenia Gillet, 1924 [2] † accepted as Genuclymenia Wedekind, 1908 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Cymaclymeniidae (Family)
 Genioclymenia Gillet, 1924 † accepted as Gonioclymenia Hyatt, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Gonioclymeniidae (Family)

Genista
 Genista Duhamel du Monceau, 1755 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Genista Bigot, 1854 accepted as Lasioptera Meigen, 1818 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)
     Genista Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Genistella
 Genistella Ortega, 1773 accepted as Genista Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Genistella Moench, 1794 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Genistella L. Léger & M. Gauthier, 1932 accepted as Legeriomyces Z. Pouzar, 1972 · Fungi (Kingdom) > Zygomycota (Phylum) > Kickxellomycetes (Class) > Harpellales (Order) > Legeriomycetaceae (Family)

Gennadas
     Gennadas Spence Bate, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Benthesicymidae (Family)
 Gennadas Heine & Reichenow, 1890 accepted as Gennadas Heine & Reichenow, 1890 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gennadius
     Gennadius Heinrich, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Gennadius Jordan & Seale, 1907 accepted as Centrogenys Richardson, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Centrogenyidae (Family)

Genoneura
     Genoneura Dlabola, 1994 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Genoneura Matthew, 1889 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Gentilia
 Gentilia L. Beille, 1907 accepted as Bridelia Willdenow, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)
     Gentilia Lambert, 1918 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Cassiduloida (Order) > Cassiduloida incertae sedis (Family)

Gentingia
     Gentingia J.T. Johansson & K.M. Wong, 1988 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Gentingia Robinson, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)

Genuchinus
     Genuchinus Westwood, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Genuchinus Kirby, 1825 accepted as Genuchus Kirby, 1825 (misspelling - incorrect subsequent spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Geobatus
     Geobatus Dejean, 1833 accepted as Maechidius Macleay, 1819 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Geobatus Boisduval, 1835 accepted as Maechidius Macleay, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Geobdella
     Geobdella Whitman, 1886 accepted as Chtonobdella Grube, 1866 (junior subjective synonym)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Arhynchobdellida (Order) > Haemadipsidae (Family)
     Geobdella de Blainville, 1827 accepted as Trocheta Dutrochet, 1817 (junior subjective synonym)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Arhynchobdellida (Order) > Erpobdellidae (Family)

Geobia
     Geobia Diesing, 1862 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)
 Geobia Montrouzier, 1858 accepted as Adrisa Amyot & Serville, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cydnidae (Family)
 Geobia Étallon, 1860 accepted as Geodia Lamarck, 1815 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Geodiidae (Family)

Geobius
 Geobius Brullé in Bory de St. Vincent, 1832 accepted as Hybalus Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Geobius Dejean, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Geobius Heer, 1839 accepted as Geodromicus Redtenbacher, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Geoborus
     Geoborus Blanchard in d'Orbigny, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Geoborus Dejean, 1834 accepted as Geoborus Blanchard in d'Orbigny, 1842 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Geoborus Lacordaire, 1859 accepted as Geoborus Blanchard in d'Orbigny, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Geocarpus
     Geocarpus F. Kinkelin, 1884 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliopsida (awaiting allocation) (Order) > (Family)
 Geocarpus K.I. Goebel, 1915 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Sphaerocarpales (Order) > Sphaerocarpaceae (Family)

Geocharis
     Geocharis Gistl, 1834 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Geocharis Ehlers, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Geocharis (K.M. Schumann) Ridley, 1908 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)

Geococcus
     Geococcus J. Drummond ex W.H. Harvey, 1855 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
     Geococcus Green, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)
     Geococcus Francé, 1913 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)

Geodites
     Geodites Rafinesque, 1832 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Geodites Carter, 1871 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Geodiidae (Family)

Geodromus
     Geodromus Dejean, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Geodromus Heer, 1841 accepted as Geodromicus Redtenbacher, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Geoemys
 Geoemys Bonaparte, 1838 accepted as Geoemyda Gray, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Bataguridae (Family)
     Geoemys Agassiz, 1846 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Geogonys
 Geogonys Mello-Leitão, 1937 accepted as Metagonyleptes Roewer, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Geogonys Mello-Leitão, 1935 accepted as Metagonyleptes Roewer, 1913 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Geokichla
     Geokichla Müller, 1835 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)
     Geokichla Macklot, 1830 accepted as Geokichla Macklot, 1830 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)

Geo-Kichla
 Geo-Kichla Müller, 1835 accepted as Geokichla Müller, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)
     Geo-Kichla Macklot, 1830 accepted as Geokichla Macklot, 1830 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)

Geometra
 Geometra Paetel, 1875 accepted as Geomitra Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicidae (Family)
     Geometra Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Geometra Denis & Schiffermüller, 1775 accepted as Geometra Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Geomitra
     Geomitra Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Geomitridae (Family)
 Geomitra Beccari, 1878 accepted as Thismia W. Griffith, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dioscoreales (Order) > Burmanniaceae (Family)

Geonemus
     Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Geonemus Guerin-Meneville, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geonomites
 Geonomites Lesquereux, 1878 † accepted as Sabalites G. Saporta, 1865 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
 Geonomites R. de Visiani, 1864 † accepted as Phoenicites A.T. Brongniart, 1828 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Geonomus
 Geonomus Gemminger & Harold, 1871 accepted as Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geonomus Suffrian, 1848 accepted as Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geonomus Germar, 1829 accepted as Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geopetalum
 Geopetalum R. Singer, 1951 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Pleurotaceae (Family)
 Geopetalum Patouillard, 1887 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Pleurotaceae (Family)

Geophagus
 Geophagus Attems, 1897 accepted as Sogophagus Chamberlin, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Gonibregmatidae (Family)
     Geophagus Keller, 1887 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Haplotaxida (Order) > Glossoscolecidae (Family)
     Geophagus Heckel, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)

Geophila
 Geophila Quélet, 1886 accepted as Psilocybe (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)
     Geophila D. Don, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Geophila Bergeret, 1803 accepted as Geophila Bergeret, 1803 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Geophilus
 Geophilus Schönherr, 1823 accepted as Brachyomus Lacordaire, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geophilus Koch, 1847 accepted as Geophilus Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Geophilidae (Family)
     Geophilus Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Geophilidae (Family)
 Geophilus Broun, 1880 accepted as Geochus Broun, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geophilus Gistel, 1834 accepted as Psammodius Fallén, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Geophilus Selby, 1835 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Columbiformes (Order) > Columbidae (Family)
     Geophilus Bertoni, 1901 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Coraciiformes (awaiting allocation) (Family)

Geoplana
     Geoplana Schultze & Müller, 1857 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)
 Geoplana Stimpson, 1857 accepted as Geoplana Schultze & Müller, 1857 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)

Geopora
     Geopora Harkness, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
     Geopora Pace, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Geopyris
 Geopyris Blanchard, 1845 accepted as Geopyris Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)
 Geopyris Dejean, 1833 accepted as Phosphaenus Laporte, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Georgella
 Georgella Koenike, 1907 accepted as Hydryphantes Koch, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Hydryphantidae (Family)
 Georgella Conil & Lys, 1977 † accepted as Nevillea Conil & Lys in Conil, Longerstaey & Ramsbottom, 1980 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Tournayellidae (Family)

Georgia
     Georgia Bourguignat in Révoil, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)
     Georgia Baird & Girard, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Georgia F. Ehrhart ex Müller Hal., 1848 accepted as Tetraphis J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Tetraphidopsida (Class) > Tetraphidales (Order) > Tetraphidaceae (Family)
     Georgia Thomson, 1857 accepted as Georgiana Aurivillius, 1912 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Georgia Wilson, 1911 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
     Georgia Ochev, 1976 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Sauropterygia incertae sedis (Order) > Sauropterygia (awaiting allocation) (Family)
 Georgia G.K.W.H. Karsten, 1858 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
 Georgia Hull, 1918 accepted as Dactylothrombium Feider, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Microtrombidiidae (Family)

Georgina
     Georgina Key, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Morabidae (Family)
     Georgina Wade, 1977 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Actinocerida (Order) > Actinocerida (awaiting allocation) (Family)
 Georgina Willdenow, 1803 accepted as Dahlia Cavanilles, 1791 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Georgina Walter, 1972 † accepted as Jacutophyton Schapavalova, 1965 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Conophytonida (Order) > (Family)

Georginus
     Georginus Jakobson, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Georginus Semenov-Tian-Shankskii, 1925 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Georgus
     Georgus Thiele in Troschel, 1893 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Georgus Gómez, 2018 accepted as Kaius Gómez, 2024 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Argestidae (Family)

Georychus
     Georychus Fleming, 1822 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Muridae (Family)
     Georychus Illiger, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Bathyergidae (Family)

Georyssus
     Georyssus Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Georyssus Stephens, 1828 accepted as Georissus Latreille, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)

Geospiza
     Geospiza Gould, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)
     Geospiza Gloger, 1842 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Geotrecha
 Geotrecha Gistl, 1848 accepted as Geotrecha Gistl, 1848 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Scutellidae (Family)
 Geotrecha Emerton, 1888 accepted as Castianeira Keyserling, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Corinnidae (Family)

Geotrechus
     Geotrechus Jeannel, 1919 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Geotrechus Moore, 1972 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Geotrochus
     Geotrochus van Hasselt, 1823 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Trochomorphidae (Family)
     Geotrochus Swainson, 1832 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Pleurodontidae (Family)

Geotrupes
     Geotrupes Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)
     Geotrupes Fabricius, 1798 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)
 Geotrupes Cuvier, 1798 accepted as Sericotrupes Zunino, 1984 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)

Geotus
     Geotus Rafinesque, 1815 accepted as Geotus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Geotus Pilát & Svrček, 1953 accepted as Arrhenia E.M. Fries, 1849 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Tricholomataceae (Family)

Gephyra
 Gephyra Koch, 1878 accepted as Amphianthus Hertwig, 1882 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Hormathiidae (Family)
 Gephyra Koch in Koch (Keyserling), 1873 accepted as Gephyrota Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Philodromidae (Family)
     Gephyra Walker, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Gephyrella
     Gephyrella Dyar, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Gephyrella Mello-Leitão, 1918 accepted as Gephyrellula Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Philodromidae (Family)

Gephyroneura
     Gephyroneura Turner, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Anthelidae (Family)
     Gephyroneura Turner, 1919 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Bombycidae (Family)
 Gephyroneura Obraztsov, 1968 accepted as Mehteria Koçak, 1981 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)

Gephyrophora
     Gephyrophora Busk, 1884 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Gigantoporidae (Family)
 Gephyrophora Karsch, 1896 accepted as Eukarschia Fletcher in Fletcher & Nye, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Limacodidae (Family)

Gephyropsis
     Gephyropsis Carlgren, 1925 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Hormathiidae (Family)
     Gephyropsis Warshauer & Berdan, 1982 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Geracus
 Geracus Hustache, 1951 accepted as Geraeus Pascoe, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Geracus Matthew, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Insecta (awaiting allocation) (Order) > Insecta (awaiting allocation) (Family)

Geraeocormobius
     Geraeocormobius Holmberg, 1887 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Geraeocormobius Roewer, 1923 accepted as Geraecormobius Holmberg, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Geraeopsis
     Geraeopsis Champion, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geraeopsis Casey, 1920 accepted as Parageraeus Casey, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geranopus
     Geranopus White, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Geranopus Kaup, 1848 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Geranus
     Geranus Bonaparte, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Geranus Sharp, 1877 accepted as Sphaenelater Schwarz, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Gerardia
 Gerardia G. Bentham in A.P. de Candolle, 1846 accepted as Agalinis Rafinesque, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Orobanchaceae (Family)
 Gerardia accepted as Gerarda Gray, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Gerardia Lacaze-Duthiers, 1864 accepted as Savalia Nardo, 1844 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Zoantharia (Order) > Parazoanthidae (Family)
 Gerardia Linnaeus, 1753 accepted as Stenandrium C.G.D. Nees in Lindley, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Gerardia Pic, 1954 accepted as Piccula Bousquet & Bouchard, 2015 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gerastus
     Gerastus Krøyer in Rathbun, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Gerastus Agassiz, 1846 † accepted as Gerastus Agassiz, 1846 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Proetidae (Family)

Gerbera
     Gerbera Linnaeus, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gerbera Boehmer, 1760 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gerdius
     Gerdius Townes, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Gerdius Holzschuh, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gerhardia
 Gerhardia Nielsen & Cohen, 2002 accepted as Thermichthys Nielsen & Cohen, 2005 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Bythitidae (Family)
     Gerhardia Kistner, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gerhardtia
     Gerhardtia Dahl, 1907 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Gerhardtia Hyatt, 1903 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gerhardtia Bon, 1994 accepted as Lyophyllum P.A. Karsten, 1881 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Lyophyllaceae (Family)

Gerinia
     Gerinia (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Margarodidae (Family)
     Gerinia Leraut, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Gerlachia
 Gerlachia Boulenger in Harmer & Shipley, 1904 accepted as Gerlachea Dollo, 1900 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Bathydraconidae (Family)
 Gerlachia W. Gams & E. Müller, 1980 accepted as Microdochium H. Sydow, 1924 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Microdochiaceae (Family)

Germanites
 Germanites Westermann, 1954 † accepted as Alfeldites Westermann, 1975 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
     Germanites Schindewolf, 1929 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)
     Germanites Mascke, 1906 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Germaria
     Germaria Laporte, 1832 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Germaria K.B. Presl, 1851 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
     Germaria Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Germaria K.B. Presl in Sternberg, 1838 † accepted as Todites A.C. Seward, 1900 † (unavailable name)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Osmundales (Order) > Osmundaceae (Family)
 Germaria Jeanne, 1972 accepted as Germarina Jeanne, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Geron
     Geron F.H. Cramer, 1966 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)
     Geron Meigen, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)

Gerontia
     Gerontia Schaus, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gerontia Hutton, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)

Gerris
     Gerris Fabricius, 1794 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Gerridae (Family)
 Gerris Swainson, 1839 accepted as Gerres Quoy & Gaimard, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gerreidae (Family)

Gerstfeldtia
     Gerstfeldtia Clessin, 1880 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gerstfeldtia Sabussowa, 1911 accepted as · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Dendrocoelidae (Family)

Gertia
     Gertia Soares & Soares, 1946 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Gertia K. Takahashi & M. Iwataki in Takahashi et al., 2019 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Kareniaceae (Family)

Gertrudia
 Gertrudia Herzog, 1916 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
 Gertrudia K.M. Schumann in K.M. Schumann & Lauterbach, 1900 accepted as Ryparosa Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Achariaceae (Family)

Gervaisia
 Gervaisia Waga, 1858 accepted as Trachysphaera Heller, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Glomerida (Order) > Doderiidae (Family)
     Gervaisia Harrison & Walker, 1976 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Phoenicopteriformes (Order) > Phoenicopteridae (Family)
     Gervaisia Bonaparte, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gervaisia Robineau-Desvoidy, 1863 accepted as Blondelia Robineau-Desvoidy, 1830 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Geryon
     Geryon Krøyer, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Geryonidae (Family)
     Geryon Gombos, 1982 † (uncertain)· Chromista (Kingdom) > Cercozoa (Phylum) > Thecofilosea (Class) > Ebriida (Order) > Ebriida (awaiting allocation) (Family)

Geryonia
     Geryonia Schrank ex Hoppe, 1818 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
     Geryonia Péron & Lesueur, 1810 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Trachylina (Order) > Geryoniidae (Family)

Gesneria
     Gesneria Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
     Gesneria Hübner, 1825 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gesneria Robineau-Desvoidy, 1830 accepted as Gesneriodes Villeneuve, 1909 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)

Gesonia
 Gesonia Stål, 1878 accepted as Gesonula Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Gesonia Walker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Gestroa
 Gestroa Beccari, 1877 accepted as Erythrospermum Lamarck, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Achariaceae (Family)
 Gestroa Bolivar, 1898 accepted as Gestroana Berg, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tetrigidae (Family)
     Gestroa Pini, 1876 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gestroania
     Gestroania Csiki, 1932 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Gestroania Liebke, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Gethosyne
     Gethosyne R.A. Salisbury, 1866 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
     Gethosyne Warren, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Geum
 Geum P. Miller, 1754 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
     Geum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)

Geunsia
 Geunsia Rafinesque, 1840 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Geunsia Necker ex Rafinesque, 1838 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Geunsia Blume, 1823 accepted as Callicarpa Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Geyeria
     Geyeria Buchecker, ? 1880 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Geyeria Buckman, 1899 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Geyeria Fucini, 1901 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Geyeria A. J. Wagner, 1914 accepted as Plagigeyeria Tomlin, 1930 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
 Geyeria Carapezza & Schopen, 1899 † accepted as Carapezzia Tomlin, 1930 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Peregrinellidae (Family)

Ghiesbreghtia
     Ghiesbreghtia Baker, 1941 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Ghiesbreghtia A. Gray, 1873 accepted as Eremogeton Standley & L.O. Williams, 1953 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
 Ghiesbreghtia A. Richard & H.G. Galeotti, 1845 accepted as Calanthe R. Brown, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Ghinia
 Ghinia Schreber, 1789 accepted as Tamonea Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)
 Ghinia Bubani, 1901 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Giardia
     Giardia Künstler, 1882 · Protozoa (Kingdom) > Metamonada (Phylum) > Eopharyngea (Class) > Diplomonadida (Order) > Giardiidae (Family)
     Giardia Ancey, 1907 accepted as Anceyoconcha Tumpeesuwan & Tumpeesuwan in Nahok et al., 2020 (junior homonym)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Camaenidae (Family)

Gibbaspira
     Gibbaspira He, 1985 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Gibbaspira McLean, 1971 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Pseudomelatomidae (Family)

Gibbaster
     Gibbaster Seunes, 1889 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Gibbaster Gauthier, 1887 † accepted as Micraster L. Agassiz, 1835 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Micrasteridae (Family)

Gibberella
     Gibberella Abushik, 1958 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Leperditicopida (Order) > Leperditicopida (awaiting allocation) (Family)
     Gibberella P.A. Saccardo, 1877 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Hypocreales (Order) > Nectriaceae (Family)
 Gibberella Miller, 1961 accepted as Ageniaspis Dahlbom, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Gibberidea
     Gibberidea Fuckel, 1870 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)
 Gibberidea (E.M. Fries) O. Kuntze, 1898 accepted as Cucurbitaria Gray, 1821 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Cucurbitariaceae (Family)

Gibbesia
     Gibbesia J.K. Small, 1898 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)
     Gibbesia Manning & Heard, 1997 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Stomatopoda (Order) > Squillidae (Family)

Gibbium
     Gibbium Gray, 1840 accepted as Gibbium Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gibbium Gray, 1842 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gibbium Scopoli, 1777 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)

Gibbonota
     Gibbonota Heinrich, 1937 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gibbonota Salazar & Lopez Vaamonde, 1996 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)

Gibbonsia
     Gibbonsia Bourguignat, 1889 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gibbonsia Cooper, 1864 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Clinidae (Family)

Gibbostethus
     Gibbostethus Anderson, 1987 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gibbostethus Anderson, 1988 accepted as Apleurus Chevrolat, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gibbsia
     Gibbsia Rendle in Gibbs, 1917 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Urticaceae (Family)
     Gibbsia Levine, 1986 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Adeleida (Order) > Adeleidae (Family)

Gibbula
 Gibbula Schallreuter, 1996 † accepted as Gibba Fuchs, 1919 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Palaeocopida (awaiting allocation) (Family)
     Gibbula Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)
     Gibbula Böttger, 1877 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)

Gibbulina
     Gibbulina Beck, 1837 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gibbulina Drouet, 1855 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gibellia
 Gibellia Passerini, 1886 accepted as Gibellina Passerini, 1886 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Magnaporthaceae (Family)
     Gibellia P.A. Saccardo, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Melanconidaceae (Family)

Gibosia
     Gibosia Okamoto, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Perlidae (Family)
 Gibosia Claassen, 1940 accepted as Gibosia Okamoto, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Perlidae (Family)

Gibsonia
     Gibsonia Gajevskaja & Rodjuk, 1988 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Lepidapedidae (Family)
 Gibsonia Massee, 1909 accepted as Melanospora Corda, 1837 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Melanosporales (Order) > Ceratostomataceae (Family)

Giebelia
     Giebelia Kellogg, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Philopteridae (Family)
     Giebelia Townsend, 1921 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Giebelia Trouessart, 1916 accepted as Zachvatkinia Dubinin, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Avenzoariidae (Family)

Gigalimosina
     Gigalimosina Rohácek, 1982 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)
     Gigalimosina Rohácek, 1983 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)

Gigantea
     Gigantea Ogren & Kawakatsu, 1990 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)
 Gigantea Stackhouse, 1816 accepted as Laminaria J.V.F. Lamouroux, 1813 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Laminariales (Order) > Laminariaceae (Family)

Gigantella
 Gigantella Ekman, 1905 accepted as Limnocalanus G.O. Sars, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)
 Gigantella Sarytcheva, 1928 † accepted as Gigantoproductus Prentice, 1950 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Monticuliferidae (Family)

Giganteopalpus
     Giganteopalpus Huwe, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Giganteopalpus Franz, 1953 accepted as Monstropalpus Franz, 1954 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gigantipitta
     Gigantipitta Bonaparte, 1854, nom. nud. accepted as Pitta Vieillot, 1816 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pittidae (Family)
 Gigantipitta Bonaparte, 1854 accepted as Pitta Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pittidae (Family)

Gigantoceras
     Gigantoceras Holland, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nolidae (Family)
     Gigantoceras Hyatt in Eastman-Zittel, 1900 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gigantocypris
     Gigantocypris Müller, 1895 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Cypridinidae (Family)
     Gigantocypris Skogsberg, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Cypridinidae (Family)

Gigantopora
     Gigantopora Looss, 1907 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Gigantopora Ridley, 1881 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Gigantoporidae (Family)

Gigantopteris
     Gigantopteris H.T. Geyler, 1886 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)
 Gigantopteris H. Yabe, 1904 † accepted as Gigantopteris H.T. Geyler, 1886 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)
     Gigantopteris Schenk in F. von Richthofen, 1883 † accepted as Gigantopteris H.T. Geyler, 1886 † (unavailable name)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)

Gigantopygus
     Gigantopygus Hupé, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Redlichiida (Order) > Gigantopygidae (Family)
     Gigantopygus Hupé, 1952 † accepted as Gigantopygus Hupé, 1953 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Redlichiida (Order) > Gigantopygidae (Family)

Gigantorhynchus
     Gigantorhynchus Hamann, 1892 · Animalia (Kingdom) > Acanthocephala (Phylum) > Archiacanthocephala (Class) > Gigantorhynchida (Order) > Gigantorhynchidae (Family)
     Gigantorhynchus Sapel'nikov & Malygina, 1977 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Leiorhynchidae (Family)

Gigantosaurus
 Gigantosaurus Fraas, 1908 † accepted as Tornieria Sternfeld, 1911 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Saurischia (Order) > Diplodocidae (Family)
     Gigantosaurus Seeley, 1869 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Saurischia (Order) > Otozoidae (Family)

Gigantotermes
     Gigantotermes Haase, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
 Gigantotermes Engel, Barden & Grimaldi in Engel et al., 2016 † accepted as Ginormotermes Engel, Barden & Grimaldi, 2016 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Euisoptera incertae sedis (Family)

Gigantotheca
     Gigantotheca Townsend, 1917 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Gigantotheca X. Li & Z. Yao, 1983 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)
     Gigantotheca Vervoort & Watson, 2003 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Sertulariidae (Family)

Gigliolia
 Gigliolia Beccari, 1877 accepted as Areca Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
 Gigliolia Barbosa Rodrigues, 1877 accepted as Octomeria R. Brown in W.T. Aiton, 1813 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gigliolia Goode & Bean, 1895 accepted as Notacanthus Bloch, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Notacanthiformes (Order) > Notacanthidae (Family)

Gigoutella
     Gigoutella Hupé in Piveteau, 1953, nom. nud. † accepted as Gigoutella Hupé, 1953 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Palaeolenidae (Family)
     Gigoutella Hupé, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Palaeolenidae (Family)

Gilarovella
     Gilarovella Lange, 1974 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Ctenacaridae (Family)
 Gilarovella Mitrofanov, Sekerskaya & Sharonov, 1983 accepted as Gilarovana Mitrofanov & Sharonov, 1987 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Eriophyidae (Family)

Gilbertella
     Gilbertella Hesseltine, 1960 · Fungi (Kingdom) > Zygomycota (Phylum) > Mucoromycetes (Class) > Mucorales (Order) > Choanephoraceae (Family)
 Gilbertella Waite, 1902 accepted as Epinephelides Ogilby, 1899 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)
     Gilbertella Turner, 1917 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Gilbertella Eigenmann, 1903 accepted as Gilbertolus Eigenmann in Eigenmann & Ogle, 1907 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Acestrorhynchidae (Family)

Gilbertia
 Gilbertia Cossmann, 1889 † accepted as Gilbertia Cossmann, 1889 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Ringiculidae (Family)
 Gilbertia Donk, 1934 accepted as Amanita Persoon, 1797 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Amanitaceae (Family)
     Gilbertia Walsingham, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Gilbertia Jordan in Jordan & Eigenmann, 1890 accepted as Hypoplectrodes Gill, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)
 Gilbertia Osella, 1977 accepted as Gilbertiola Osella, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Gilbertiella
     Gilbertiella Boutique, 1951 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliales (Order) > Annonaceae (Family)
 Gilbertiella R. Heim, 1965 accepted as Gyrodon Opatowski, 1836 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Paxillaceae (Family)

Gilbertina
     Gilbertina R. Heim, 1966 accepted as Gyrodon Opatowski, 1836 (nomen nudum)· Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Paxillaceae (Family)
     Gilbertina E.O. Ulrich in Harriman, 1904 † · Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Gilbertina Morlet, 1888 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Ringiculidae (Family)
 Gilbertina Jordan & Starks, 1895 accepted as Gilbertidia Berg, 1898 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Psychrolutidae (Family)

Gilbertiola
     Gilbertiola O'Brien & Wibmer, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
     Gilbertiola Osella, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Gilbertsonia
     Gilbertsonia Morris, Dickins & Astafieva-Urbaitis, 1991 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pholadomyoida (Order) > Pholadomyoida (awaiting allocation) (Family)
     Gilbertsonia E. Parmasto in Lindsey & Nakasone, 2001 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Fomitopsidaceae (Family)

Gilchristia
 Gilchristia Burton, 1928 accepted as Protosuberites Swartschewsky, 1905 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Suberitida (Order) > Suberitidae (Family)
 Gilchristia Jordan, 1907 accepted as Pseudopentaceros Bleeker, 1876 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pentacerotidae (Family)
 Gilchristia Redaelli & Ciferri, 1934 accepted as Zymonema Beurmann & Gougerot, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Gilchristia Ito, Van Hoven, Miyazaki & Imai, 2006 accepted as Gilchristina Ito, Ishihara & Imai, 2014 (junior homonym)· Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Entodiniomorphida (Order) > Gilchristinidae (Family)

Gilda
 Gilda Giglio-Tos, 1915 accepted as Gildella Giglio-Tos, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Haaniidae (Family)
     Gilda Walker, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Gilesia
     Gilesia Theobald, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Gilesia Sarwar, 1956 accepted as Trichostrongylus Looss, 1905 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Trichostrongylidae (Family)
     Gilesia F. von Mueller, 1875 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Gilia
     Gilia Pugh & Pagès, 1995 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
     Gilia Ruiz & Pavon, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Polemoniaceae (Family)

Gilibertia
 Gilibertia J.F. Gmelin, 1791 accepted as Turraea Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)
 Gilibertia Ruiz & Pavon, 1794 accepted as Dendropanax Decaisne & J.E. Planchon, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)

Gillespiea
     Gillespiea A.C. Smith, 1936 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Gillespiea D.M. Erwin & G.W. Rothwell, 1989 † accepted as Wolfeniana U.B. Deshmukh, 2022 † (junior homonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Stauropteridales (Order) > Stauropteridaceae (Family)

Gilletia
     Gilletia Lagneau-Hérenger, 1962 † accepted as Iberogilletia Ceccolini & Cianferoni, 2022 † (junior homonym)· Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Corallistidae (Family)
 Gilletia P.A. Saccardo & O.A.J. Penzig, 1882 accepted as Basidiophora Roze & Cornu, 1869 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Peronosporales (Order) > Peronosporaceae (Family)
     Gilletia Benderitter, 1923 accepted as Lagochile Hoffmannsegg, 1817 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Gilletia Torrend, 1914 accepted as Telligia Hendrickx, 1948 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Gilletiella
     Gilletiella P.A. Saccardo & P. Sydow, 1899 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)
 Gilletiella De Wildeman & T. Durand, 1900 accepted as Anomacanthus Good, 1923 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gillettea
 Gillettea Börner, 1909 accepted as Gilletteela · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Adelgidae (Family)
     Gillettea Ashmead, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gillettia
 Gillettia Rendle, 1896 accepted as Anthericopsis Engler, 1895 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Commelinaceae (Family)
 Gillettia † accepted as Gilletia Lagneau-Hérenger, 1962 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Lithistida (awaiting allocation) (Family)

Gillia
     Gillia Stimpson, 1865 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
 Gillia Günther, 1865 accepted as Gillichthys Cooper, 1864 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Gilliesia
     Gilliesia Peters & Edmunds, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Leptophlebiidae (Family)
     Gilliesia J. Lindley, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)

Gillotia
     Gillotia P.A. Saccardo & Trotter, 1913 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Capnodiales (Order) > Mycosphaerellaceae (Family)
     Gillotia Kieffer, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Gilmania
 Gilmania Batista & Ciferri, 1962 accepted as Chaetothyrium Spegazzini, 1888 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Chaetothyriales (Order) > Chaetothyriaceae (Family)
     Gilmania Coville, 1936 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Polygonaceae (Family)

Gilsonia
 Gilsonia Gedoelst, 1919 accepted as Hadjelia Seurat, 1916 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Habronematidae (Family)
     Gilsonia Meunier, 1908 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protodonata (Order) > Protodonata (awaiting allocation) (Family)

Ginannia
     Ginannia Scopoli, 1777 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Ginannia F.G. Dietrich, 1804 accepted as Dendropanax Decaisne & J.E. Planchon, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)
 Ginannia Montagne, 1842 accepted as Scinaia Bivona-Bernardi, 1822 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Scinaiaceae (Family)
 Ginannia Montagne in Webb & Berthelot, 1841 accepted as Scinaia Bivona-Bernardi, 1822 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Scinaiaceae (Family)
 Ginannia Bubani, 1901 accepted as Holcus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Ginebis
     Ginebis Noda, 1975 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Chilodontaidae (Family)
     Ginebis Is. Taki & Otuka, 1943 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Calliotropidae (Family)

Ginella
     Ginella Missarzhevskii in Rozanov. Missarzhevskii et al., 1969 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Helcionelloida (Class) > Helcionelliformes (Order) > Helcionellidae (Family)
     Ginella Ivanova, 1960 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Ginerosia
 Ginerosia Báguena Corella, 1948 accepted as Mixaderus Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)
 Ginerosia Collado & Alonso-Zarazaga, 1996 accepted as Mixaderus Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)

Ginesia
 Ginesia Fernández-Yépez, 1951 accepted as Brachyplatystoma Bleeker, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Pimelodidae (Family)
 Ginesia Jaume & Boxshall, 1997 accepted as Costanzoia Zagami & Brugnano, 2013 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Smirnovipinidae (Family)

Gingidium
     Gingidium J. Hill, 1756 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Gingidium J.R. Forster & J.G.A. Forster, 1775 accepted as Gingidia J.W. Dawson, 1974 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Ginkgophyton
     Ginkgophyton Matthew, 1910 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
 Ginkgophyton M.D. Zalessky, 1919 † accepted as Ginkgophytopsis O.A. Høeg in E. Boureau, 1967 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoaceae (Family)

Ginkgoxylon
 Ginkgoxylon R. Ch. Chudajberdyev, 1962 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoales (awaiting allocation) (Family)
     Ginkgoxylon G. Andreánszky, 1952 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoaceae (Family)
     Ginkgoxylon Saporta, 1884 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoaceae (Family)

Ginnania
 Ginnania Monterosato, 1884 accepted as Bela Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Mangeliidae (Family)
 Ginnania M.J. Roemer, 1846 accepted as Turraea Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)
 Ginnania Montagne in Webb & Berthelot, 1841 accepted as Ginannia Montagne in Webb & Berthelot, 1841 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Scinaiaceae (Family)

Ginosigma
     Ginosigma Speijer, 1933 accepted as Ginosigma Whittick, 1937 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Uropygi (Order) > Thelyphonidae (Family)
 Ginosigma Speijer, 1936 accepted as Ginosigma Whittick, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Uropygi (Order) > Thelyphonidae (Family)
     Ginosigma Whittick, 1937 accepted as Ginosigma Whittick, 1937 (taxon inquirendum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Uropygi (Order) > Thelyphonidae (Family)

Gioenia
 Gioenia Bruguière, 1789 accepted as Scaphander Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Scaphandridae (Family)
     Gioenia Lioy, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Gippslandia
     Gippslandia L.E. Stover & G.L. Williams, 1987 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Peridiniales (Order) > Peridiniaceae (Family)
     Gippslandia Bayly & Arnott, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)

Giraldiella
 Giraldiella Dammer, 1905 accepted as Lloydia R.A. Salisbury ex H.G.L. Reichenbach, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
     Giraldiella Williams, 1951 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Giraldiellidae (Family)
     Giraldiella Müller Hal., 1898 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Hypnaceae (Family)
     Giraldiella Bancroft, 1949 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Plectorthidae (Family)

Girardia
     Girardia Ball, 1974 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Dugesiidae (Family)
 Girardia S.F. Gray, 1821 accepted as Bangia Lyngbye, 1819 · Plantae (Kingdom) > Rhodophyta (Phylum) > Bangiophyceae (Class) > Bangiales (Order) > Bangiaceae (Family)

Girardiella
 Girardiella Müller Hal., 1898 accepted as Giraldiella Müller Hal., 1898 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Hypnaceae (Family)
     Girardiella Lyle, 1938 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Giraudia
     Giraudia Goux, 1989 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)
     Giraudia Bourguignat, 1885 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pleuroceridae (Family)
     Giraudia A. Derbès & A. Solier in L. Castagne, 1851 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Ectocarpales (Order) > Chordariaceae (Family)
     Giraudia Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Girgensohnia
 Girgensohnia (S.O. Lindberg) Kindberg, 1896 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Climaciaceae (Family)
     Girgensohnia Bunge ex E. Fenzl in Ledebour, 1851 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Girpa
     Girpa Walker, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Girpa Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Girtyites
     Girtyites Wedekind, 1914 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Girtyites Coryell & Booth, 1933 † accepted as Kegelites Coryell & Booth, 1933 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda incertae sedis (Family)

Giselia
     Giselia Haupt, 1956 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Giselia Magowski, Lindquist & Moser, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tarsonemidae (Family)

Gisella
     Gisella Bonaparte, 1854, nom. nud. accepted as Aegolius Kaup, 1829 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)
 Gisella Bonaparte, 1854 accepted as Aegolius Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)

Gjellerupia
     Gjellerupia Lauterbach, 1912 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Opiliaceae (Family)
     Gjellerupia Roewer, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Zalmoxidae (Family)

Glabella
 Glabella Loew in Meigen, 1873 accepted as Glabellula Bezzi, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)
     Glabella Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Marginellidae (Family)

Glaberoribates
     Glaberoribates Tseng, 1984 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Haplozetidae (Family)
     Glaberoribates Tseng, 1982 accepted as Glaberoribates Tseng, 1984 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Haplozetidae (Family)

Glabrasida
 Glabrasida de la Escalera, 1910 accepted as Alphasida Martinez-Escalera, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Glabrasida Reitter, 1917 accepted as Glabrasida de la Escalera, 1910 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Glabrella
     Glabrella M. Möller & W.H. Chen, 2014 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
     Glabrella Lermontova, 1940 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Glabrella Scudder, 1882 accepted as Glabrella Scudder, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glabriana
     Glabriana Caziot, 1910 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)
 Glabriana Servain, 1881 accepted as Omphiscola Rafinesque, 1819 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)

Glabrobracon
     Glabrobracon Fahringer, 1927 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Glabrobracon Tobias, 1957 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Glabrotelson
     Glabrotelson Huys in Kihara & Huys, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Ectinosomatidae (Family)
 Glabrotelson Huys, 2009 accepted as Glabrotelson Huys in Kihara & Huys, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Ectinosomatidae (Family)

Gladiaria
 Gladiaria Wedekind, 1937 accepted as Percultazonaria Loeblich & Tappan, 1986 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Vaginulinidae (Family)
 Gladiaria Wick, 1939 † accepted as Astacolus de Montfort, 1808 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Vaginulinidae (Family)

Gladiator
 Gladiator Gray, 1870 accepted as Orcinus Fitzinger, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
     Gladiator Gistl in Gistl & Bromme, 1850 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Gladius
 Gladius Mörch, 1852 accepted as Tibia Röding, 1798 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rostellariidae (Family)
     Gladius Forti & Schulz, 1932 † · Chromista (Kingdom) > Bacillariophyta (Phylum) > Coscinodiscophyceae (Class) > Gladiales (Order) > Gladiaceae (Family)

Gladobates
 Gladobates Schinz, 1824 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)
 Gladobates Berthold in Latreille, 1827 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)

Glaea
 Glaea Blanchard, 1845 accepted as Glenea Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Glaea Stephens, 1829 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Glaessneria
 Glaessneria Takeda & Miyake, 1969 accepted as Goneplax Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Goneplacidae (Family)
 Glaessneria Wright & Collins, 1972 † accepted as Glaessnerella Wright & Collins, 1975 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Decapoda (awaiting allocation) (Family)

Glandarius
     Glandarius Rafinesque, 1815 accepted as Glandarius Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Glandarius Koch, 1816 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Glandula
     Glandula Medikus, 1787 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Glandula Tian & Hu, 1985 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Lissamphibia (awaiting allocation) (Order) > Lissamphibia (awaiting allocation) (Family)
     Glandula Scudder, 1882 accepted as Glandula Scudder, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Glandula Stimpson, 1852 accepted as Polycarpa Heller, 1877 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Styelidae (Family)

Glandularia
 Glandularia Schaufuss, 1889 accepted as Euconnus Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Glandularia J.F. Gmelin, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)

Glanis
     Glanis Bedel, 1884 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Glanis Rafinesque, 1818 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Glanis Gronow in Gray, 1854 accepted as Notopterus Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osteoglossiformes (Order) > Notopteridae (Family)
 Glanis Jekel, 1865 accepted as Neoglanis Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Glanis Agassiz, 1857 accepted as Silurus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Siluridae (Family)
     Glanis Dejean, 1821 accepted as Hypera Germar, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Glanis Agassiz in Spix & Agassiz, 1829 accepted as Bagre Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)

Glaphyra
     Glaphyra Newman, 1840 accepted as Laphyra Newman, 1842 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Glaphyra Guenée, 1841 † accepted as Rhypagla Nye, 1975 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Glaphyra Albers, 1850 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Glaphyra Uvarov, 1923 accepted as Ornithacris Uvarov, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Glaphyraspis
     Glaphyraspis Resser, 1937 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Lonchocephalidae (Family)
 Glaphyraspis Beier, 1960 accepted as Homalaspidia Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Glaphyria
     Glaphyria W. Jack, 1823 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
     Glaphyria Hübner, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Glaphyroptera
     Glaphyroptera Heer in Heer & Escher, 1852 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Glaphyroptera Winnertz, 1863 accepted as Neoglaphyroptera Osten-Sacken, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Mycetophilidae (Family)

Glaphyropterites
     Glaphyropterites Handlirsch, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > (Family)
     Glaphyropterites Heer, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Glaridodon
 Glaridodon Garman, 1895 accepted as Girardinus Poey, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Poeciliidae (Family)
     Glaridodon Seeley, 1888 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Glarisia
     Glarisia Cassis, 1986 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Glarisia Cassis, 1984 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Glarithurus
     Glarithurus Tyler, 2005 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)
     Glarithurus Tyler & Micklich, 2011 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)

Glaucidium
     Glaucidium Siebold & Zuccarini, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
     Glaucidium Boie, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)

Glaucion
     Glaucion Kaup, 1829 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Glaucion Oken, 1815 accepted as Glaucion Oken, 1815 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Glaucium
 Glaucium Agassiz, 1846 accepted as Glaucium Agassiz, 1846 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Glaucium P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Papaveraceae (Family)
     Glaucium Gray, 1840 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Glaucolepis
     Glaucolepis Stensiö, 1921 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Glaucolepis Braun, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nepticulidae (Family)

Glauconema
 Glauconema L. Reinhard, 1885 accepted as Chroodactylon Hansgirg, 1885 · Plantae (Kingdom) > Rhodophyta (Phylum) > Stylonematophyceae (Class) > Stylonematales (Order) > Stylonemataceae (Family)
     Glauconema Thompson, 1966 · Chromista (Kingdom) > Ciliophora (Phylum) > Oligohymenophorea (Class) > Hymenostomatida (Order) > Parauronematidae (Family)

Glauconia
     Glauconia Gray, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Leptotyphlopidae (Family)
 Glauconia Stoliczka, 1868 † accepted as Cassiope Coquand, 1865 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Cassiopidae (Family)
     Glauconia Paulian, 1939 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Glauconoma
 Glauconoma Wiegmann, 1839 accepted as Glauconoma Wiegmann, 1839 · Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
 Glauconoma Desmarest in Chenu, 1858 accepted as Glauconome Gray, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glauconomidae (Family)

Glauconome
     Glauconome Gray, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glauconomidae (Family)
     Glauconome Münster in Goldfuss, 1829 (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Glauconome auct. † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cryptostomida (Order) > Arthrostylidae (Family)
     Glauconome Krøyer, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Glaucopis
     Glaucopis Gmelin in Linnaeus, 1788 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeres (awaiting allocation) (Family)
 Glaucopis Bonaparte, 1854 accepted as Glaucopis Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Glaucopis Fabricius, 1807 accepted as Glaucopis Fabricius, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Thyrididae (Family)

Glaucopterix
     Glaucopterix Kaup, 1844 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Glaucopterix Hübner, 1826 accepted as Glaucopterix Hübner, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Glaucosphaera
     Glaucosphaera Maulik, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Glaucosphaera Korshikov, 1930 · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodellophyceae (Class) > Glaucosphaerales (Order) > Glaucosphaeraceae (Family)

Glaucostola
 Glaucostola Meyrick, 1926 accepted as Glaucostolella Fletcher, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)
     Glaucostola Hampson, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Glaucothoe
     Glaucothoe H. Milne Edwards, 1830 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Paguridae (Family)
 Glaucothoe Leach in Gray, 1852 accepted as Truncatella Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Truncatellidae (Family)

Glaucus
 Glaucus Bleeker, 1863 accepted as Trachinotus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
     Glaucus Gouan, 1770 accepted as Trachinotus Lacepède, 1801 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Glaucus Jordan & Hubbs, 1917 accepted as Trachinotus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Glaucus Fowler, 1906 accepted as Lichia Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
     Glaucus Forster, 1777 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Glaucidae (Family)
     Glaucus Gmelin, 1791 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Glaucidae (Family)
 Glaucus Walbaum, 1792 accepted as Glaucus Walbaum, 1792 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
     Glaucus Bruch, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Glaucus Poli, 1795 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
 Glaucus Klein, 1775 accepted as Glaucus Klein, 1775 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)

Glauertia
 Glauertia Loveridge, 1933 accepted as Uperoleia Gray, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Myobatrachidae (Family)
 Glauertia Rothschild, 1936 accepted as Acanthopsylla Jordan & Rothschild, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Siphonaptera (Order) > Pygiopsyllidae (Family)

Glaux
     Glaux Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Primulaceae (Family)
 Glaux J. Hill, 1756 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Glaux Medikus, 1787 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Glaux Rylands, 1836 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Glaziova
 Glaziova C.F.P. Martius ex Drude in C.F.P. Martius, 1881 accepted as Lytocaryum Toledo, 1944 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
 Glaziova Bureau, 1868 accepted as Amphilophium Kunth, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)

Gleba
     Gleba Forsskål in Niebuhr, 1776 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Thecosomata (Order) > Cymbuliidae (Family)
     Gleba Bruguière, 1791 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > (Family)
     Gleba Tilesius, 1814 (uncertain)· Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)
 Gleba Otto, 1823 accepted as Hippopodius Quoy & Gaimard, 1827 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Hippopodiidae (Family)

Gleicheniidites
 Gleicheniidites K.N. Grigoreva in S.R. Samoilovitch et al., 1961 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
     Gleicheniidites N.E. Ross ex A. Delcourt & G. Sprumont, 1955 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Gleichenites
 Gleichenites N.A. Bolchovitina, 1959 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gleichenites I.A. Agranovskaja in I.A. Agranovskaja et al., 1960 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gleichenites Göppert, 1836 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Gleicheniales (Order) > Gleicheniaceae (Family)
 Gleichenites A.C. Seward, 1927 † accepted as Korallipteris E.I. Vera & M.G. Passalia, 2012 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > (Order) > (Family)

Glenea
     Glenea Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Glenea Newman, 1842 accepted as Glenea Thomson, 1860 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Glenisteroceras
     Glenisteroceras Flower, 1957 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Orthocerida (Order) > Sactorthoceratidae (Family)
     Glenisteroceras Zhou, 2017 † accepted as Glenisterites Zhou, 2017 † (junior homonym)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Goniatitida (Order) > Metalegoceratidae (Family)

Glenniea
     Glenniea J.D. Hooker in Bentham & J.D. Hooker, 1862 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
     Glenniea Turk, 1945 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Fuhrmannodesmidae (Family)

Glenocrinus
     Glenocrinus d'Orbigny, 1852 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Glenocrinus Guensburg & Sprinkle, 2003 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Protocrinoida (Order) > Titanocrinidae (Family)

Glenomorum
 Glenomorum Schmarda, 1854 accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Chlamydomonadaceae (Family)
     Glenomorum C.G. Ehrenberg, 1838 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Chlamydomonadaceae (Family)

Glenopteris
     Glenopteris Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Glenopteris Sellards, 1900 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Peltaspermales (Order) > (Family)

Glessaria
     Glessaria Berendt, 1845 accepted as Glessaria Berendt, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)
 Glessaria Menge in Berendt, 1854 accepted as Derovatellus Sharp, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Glibertiella
     Glibertiella Grundel, 1980 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Glibertiella Schlickum, 1968 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Truncatellidae (Family)

Gliravus
     Gliravus Stehlin & Schaub, 1951 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Gliravus Stehlin in Erni, 1942 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)

Gliridarum
     Gliridarum Schaub & Hürzeler, 1948 † accepted as Gliridarum Schaub & Hürzeler, 1948 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Gliridarum Schaub & Hürzeler, 1949 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)

Glirisorex
 Glirisorex Agassiz, 1846 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)
 Glirisorex Scudder, 1882 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)

Glis
 Glis Erxleben, 1777 accepted as Marmota Blumenbach, 1779 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Sciuridae (Family)
     Glis Brisson, 1762 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)

Globaria
     Globaria Scopoli, 1777 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Globaria Berthold in Latreille, 1827 accepted as Allocotocerus Kraatz, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
     Globaria Quélet, 1873 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Lycoperdaceae (Family)

Globator
     Globator L. Agassiz, 1840 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Holectypoida (Order) > Conulidae (Family)
     Globator L. Grambast, 1966 † · Plantae (Kingdom) > Charophyta (Phylum) > Charophyceae (Class) > Charales (Order) > Clavatoraceae (Family)

Globicephalus
 Globicephalus van Beneden, 1880 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
 Globicephalus Lesson, 1828 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)

Globiceps
 Globiceps Beneden, 1868 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
 Globiceps Flower, 1884 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
     Globiceps Lepeletier & Serville, 1825 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Globiceps Felder, 1869 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Globiceps Ayres, 1854 accepted as Pennaria Goldfuss, 1820 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Pennariidae (Family)

Globicornis
 Globicornis Mulsant & Rey, 1868 accepted as Trogoderma Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)
     Globicornis Latreille, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)

Globidium
 Globidium Neumann, 1909 accepted as Globidiellum Brumpt, 1913 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Piroplasmida (Order) > Haemohormidiidae (Family)
 Globidium Flesch, 1883 accepted as Eimeria Schneider, 1875 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Eimeriidae (Family)

Globigerina
     Globigerina d'Orbigny, 1826 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Globigerinida (Order) > Globigerinidae (Family)
     Globigerina Morozova, 1959 † (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Globipaussus
 Globipaussus Luna de Carvalho, 1989 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Globipaussus Kolbe, 1938 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Globochthonius
     Globochthonius Finnegan, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Pseudoscorpionida (Order) > Chthoniidae (Family)
     Globochthonius Beier, 1931 accepted as Globochthonius Finnegan, 1932 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Pseudoscorpionida (Order) > Chthoniidae (Family)

Globocrinus
     Globocrinus Washburn, 1968 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)
     Globocrinus Weller, 1921 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)

Globodera
     Globodera (uncertain)· Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)
     Globodera Skarbilovich, 1959 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Heteroderidae (Family)

Globoides
     Globoides Amaro, 1966 † (uncertain)· Chromista (Kingdom) > Bigyra (Phylum) > Opalinea (Class) > Opalinida (Order) > Opalinidae (Family)
     Globoides Tichomirova, 1968 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Globularia
     Globularia Swainson, 1840 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Ampullinidae (Family)
     Globularia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)
     Globularia Rolando, 1841 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)

Globulina
     Globulina Wagner, 1905 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Globulina (Müller Hal.) V.F. Brotherus in Engler & Prantl, 1902 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
 Globulina P.J.F. Turpin, 1827 accepted as Lichenomphalia Redhead, Lutzoni, Moncalvo & Vilgalys, 2002 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Hygrophoraceae (Family)
 Globulina Velenovský, 1934 accepted as Unguiculella F. von Höhnel, 1906 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Hyaloscyphaceae (Family)
 Globulina Link in C.G.D. Nees, 1820 accepted as Zygnema C.A. Agardh in Liljeblad, 1816 · Plantae (Kingdom) > Charophyta (Phylum) > Zygnematophyceae (Class) > Zygnematales (Order) > Zygnemataceae (Family)
 Globulina Cerulli-Irelli, 1911 † accepted as Schilderia Tomlin, 1930 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Cypraeidae (Family)
     Globulina Spegazzini, 1888 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)
     Globulina d'Orbigny, 1839 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Polymorphinidae (Family)
     Globulina Morren, 1835 accepted as Globulina d'Orbigny, 1839 (nomen nudum)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Polymorphinidae (Family)

Globulites
     Globulites Nemkov, 1967 † accepted as Nummulites Lamarck, 1801 (junior subjective synonym)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Nummulitidae (Family)
 Globulites Jeannel, 1954 † accepted as Globosulus Jeannel, 1949 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Globulites de Haan, 1825 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Globulocerithium
     Globulocerithium Pacaud, 2023 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Cerithiidae (Family)
     Globulocerithium Bouniol, 1981 † accepted as Globulocerithium Pacaud, 2023 † (unavailable name)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Cerithiidae (Family)

Globulus
     Globulus Ehrenberg, 1841 (uncertain)· Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)
     Globulus L.G. Voronova & N.A. Drosdova, 1987 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)
     Globulus Sowerby, 1834 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Naticidae (Family)
 Globulus Schumacher, 1817 accepted as Umbonium Link, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)

Globus
     Globus Deshayes, 1832 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Globus Scopoli, 1772 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cestoda (awaiting allocation) (Order) > Cestoda (awaiting allocation) (Family)
     Globus G. Vidal in Moczydłowska & Vidal, 1988 † · Bacteria (Kingdom) > (Phylum) > (Class) > (Order) > (Family)

Glochina
     Glochina Meigen, 1830 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)
     Glochina Emeljanov, 2011 accepted as Emeljanovina Xing & Chen, 2013 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Dictyopharidae (Family)

Glochinorrhinus
 Glochinorrhinus Etheridge & Olliff, 1890 accepted as Etheridgea Handlirsch, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Glochinorrhinus Gemminger & Harold, 1871 accepted as Glochinorhinus Waterhouse, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Glockeria
 Glockeria C.G.D. Nees in Alph. de Candolle, 1847 accepted as Stenostephanus C.G.D. Nees in C.F.P. Martius, 1847 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Glockeria Göppert, 1836 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridophyta/Pteridospermophyta (unclassified foliage) (Class) > Pteridophyta/Pteridospermophyta (awaiting allocation) (Order) > Pteridophytes/Pteridosperms (awaiting allocation) (Family)
     Glockeria Wedekind, 1911 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Glockeria Ksiazkiewicz, 1968 † (uncertain)· Animalia (Kingdom) > Animalia incertae sedis (Phylum) > (Class) > (Order) > (Family)

Gloeochloris
     Gloeochloris Pascher, 1932 · Chromista (Kingdom) > Ochrophyta (Phylum) > Xanthophyceae (Class) > Heterogloeales (Order) > Heterogloeaceae (Family)
 Gloeochloris Korshikov, 1932 accepted as Chlorangiogloea Korshikov, 1953 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Chlorangiellaceae (Family)

Gloeonema
 Gloeonema Agassiz, 1846 accepted as Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)
 Gloeonema Ehrenberg, 1856 accepted as Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)

Gloeophyllum
     Gloeophyllum P.A. Karsten, 1882 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Gloeophyllales (Order) > Gloeophyllaceae (Family)
 Gloeophyllum Korshikov, 1955 accepted as Hormotilopsis Trainor & H.C. Bold, 1954 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chaetopeltidales (Order) > Chaetopeltidaceae (Family)

Gloeosoma
 Gloeosoma Bresadola, 1920 accepted as Aleurodiscus Rabenhorst ex J. Schröter in Cohn, 1888 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Russulales (Order) > Stereaceae (Family)
     Gloeosoma Wollaston, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Corylophidae (Family)

Gloionema
     Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)
 Gloionema Bory de St. Vincent, 1825 accepted as Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)

Glomera
 Glomera Acciavatti & Pearson, 1989 accepted as Cylindera Westwood, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)
     Glomera Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Glomerella
     Glomerella Spaulding & H. von Schrenk, 1903 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Glomerellaceae (Family)
     Glomerella Gordon, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)

Glomerula
     Glomerula Nielsen, 1931 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Sabellidae (Family)
 Glomerula Bainier, 1903 accepted as Actinomucor Schostakowitsch, 1898 · Fungi (Kingdom) > Zygomycota (Phylum) > Mucoromycetes (Class) > Mucorales (Order) > Mucoraceae (Family)

Glomerularia
 Glomerularia C.H. Peck, 1879 accepted as Glomopsis D.M. Henderson, 1961 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Platygloeales (Order) > Platygloeaceae (Family)
 Glomerularia H. Karsten, 1849 accepted as Gonatobotrys Corda, 1839 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Melanosporales (Order) > Ceratostomataceae (Family)

Glomospirella
     Glomospirella Plummer, 1945 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lituolida (Order) > Ammodiscidae (Family)
 Glomospirella Reytlinger, 1950 † accepted as Glomospiroides Reytlinger, 1950 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Tournayellidae (Family)

Glomospora
     Glomospora M.A. Butterworth & R.W. Williams, 1958 † (uncertain)· Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Glomospora D.M. Henderson, 1961 accepted as Glomerogloea A.B. Doweld, 2013 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Platygloeales (Order) > Platygloeaceae (Family)

Glomus
 Glomus Gistl, 1848 accepted as Carpelimus Leach in Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Glomus L.R. Tulasne & C. Tulasne, 1845 · Fungi (Kingdom) > Glomeromycota (Phylum) > Glomeromycetes (Class) > Glomerales (Order) > Glomeraceae (Family)
 Glomus Jeffreys, 1876 accepted as Pristigloma Dall, 1900 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Sareptidae (Family)

Gloria
 Gloria Barrande, 1881 † accepted as Slava Barrande, 1881 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Praecardioida (Order) > Slavidae (Family)
     Gloria Grubić, 2004 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Hippuritida (Order) > Hippuritidae (Family)
     Gloria Egorova & Savitsky, 1968 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Glossacantha
 Glossacantha Gemminger & Harold, 1868 accepted as Zyras Stephens, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Glossacantha Bernhauer, 1928 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Glossadenia
     Glossadenia J. Kavulak, 1986 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Glossadenia Hort. ex J.M.H. Shaw, 2014 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Glossina
 Glossina Guenée, 1854 accepted as Stericta Lederer, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Glossina Phillips, 1848 † accepted as Palaeoglossa Cockerell, 1911 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Obolidae (Family)
     Glossina Wiedemann, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Glossinidae (Family)

Glossiphus
     Glossiphus Rafinesque, 1815 accepted as Glossiphus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Glossiphus Green in Rafinesque, 1832 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)

Glossocardia
     Glossocardia Stoliczka, 1870 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Trapezidae (Family)
     Glossocardia Cassini, 1817 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Glossoceras
     Glossoceras Barrande, 1865 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ascocerida (Order) > Ascocerida (awaiting allocation) (Family)
 Glossoceras Douvillé, 1907 accepted as Glossoceras Douvillé, 1907 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glossodon
 Glossodon Heckel in Russegger, 1843 accepted as Hiodon Lesueur, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osteoglossiformes (Order) > Hiodontidae (Family)
 Glossodon Rafinesque, 1818 accepted as Hiodon Lesueur, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osteoglossiformes (Order) > Hiodontidae (Family)

Glossodus
 Glossodus Agassiz in Spix & Agassiz, 1829 accepted as Albula Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Albuliformes (Order) > Albulidae (Family)
 Glossodus M'Coy, 1848 † accepted as Euglossodus White & Moy-Thomas, 1940 † · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Petalodontiformes (Order) > Petalodontiformes (awaiting allocation) (Family)
     Glossodus Costa, 1851 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pycnodontiformes (Order) > Pycnodontiformes (awaiting allocation) (Family)

Glossognathus
 Glossognathus Rafinesque, 1818 accepted as Exoglossum Rafinesque, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Glossognathus Agassiz, 1845 accepted as Glossognathus Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Catostomidae (Family)

Glossolepis
 Glossolepis Gilg, 1897 accepted as Chytranthus J.D. Hooker in Bentham & J.D. Hooker, 1862 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
     Glossolepis Weber, 1907 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Atheriniformes (Order) > Melanotaeniidae (Family)

Glossoma
 Glossoma Schreber, 1791 accepted as Votomita Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Glossoma Silfvenius, 1904 accepted as Glossosoma Curtis, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Glossosomatidae (Family)

Glossophora
 Glossophora J.G. Agardh, 1882 accepted as Dictyota J.V.F. Lamouroux, 1809 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Dictyotales (Order) > Dictyotaceae (Family)
     Glossophora Gray, 1831 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)

Glossophyllum
     Glossophyllum (Müller Hal.) Hampe, 1879 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnales (Order) > Stereophyllaceae (Family)
 Glossophyllum Kräusel, 1943 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoales (awaiting allocation) (Family)
     Glossophyllum Wedekind, 1924 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Cyathophyllidae (Family)

Glossopsis
 Glossopsis Hessland, 1949 † accepted as Glossomorphites Hessland, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Tetradellidae (Family)
 Glossopsis Bush, 1905 accepted as Hydroides Gunnerus, 1768 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Serpulidae (Family)

Glossopsittacus
 Glossopsittacus Reichenow, 1881 accepted as Glossopsitta Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
 Glossopsittacus Sundevall, 1872 accepted as Glossopsitta Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)

Glossopteris
 Glossopteris (A.T. Brongniart) Sternberg, 1825 † accepted as Lepidophylloides N.S. Snigirevskaja, 1958 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lepidodendrales (Order) > Lepidodendrales (awaiting allocation) (Family)
 Glossopteris Rafinesque, 1815 accepted as Asplenium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Aspleniaceae (Family)
     Glossopteris A.T. Brongniart, 1828 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Rigbyales (Order) > Rigbyaceae (Family)
 Glossopteris J.G. Agardh, 1898 accepted as Cladodonta Skottsberg, 1923 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Delesseriaceae (Family)

Glossosalia
 Glossosalia Mesnil, 1950 accepted as Austrophorocera Townsend, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Glossosalia Mesnil, 1946 accepted as Glossosalia Mesnil, 1950 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Glossostoma
     Glossostoma Le Conte, 1851 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)
 Glossostoma Günther, 1900 accepted as Nelsonophryne Frost, 1987 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Microhylidae (Family)

Glossula
 Glossula (Rafinesque) H.G.L. Reichenbach, 1837 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Piperales (Order) > Aristolochiaceae (Family)
 Glossula Johansen, 1914 accepted as Glossola Fowler, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Glossula J. Lindley, 1825 accepted as Habenaria Willdenow, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Glossus
     Glossus Poli, 1795 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glossidae (Family)
     Glossus Cossmann, 1886 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glottidia
     Glottidia Bode, 1953 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Glottididae (Family)
     Glottidia Dall, 1870 · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Lingulidae (Family)

Glottis
     Glottis Koch, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Glottis Medikus, 1787 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Glottoptychinites
     Glottoptychinites Buckman, 1923 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
 Glottoptychinites Dacque, 1934 † accepted as Glottoptychinites Buckman, 1923 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Gloveria
     Gloveria Packard, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lasiocampidae (Family)
     Gloveria M. Jordaan in M. Jordaan & A.E. van Wyk, 1998 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Celastrales (Order) > Celastraceae (Family)

Gloxinia
     Gloxinia L'Héritier in Aiton, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
 Gloxinia Regel, 1851 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Glutinaria
     Glutinaria H.F.A. Roussel, 1806 (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
 Glutinaria Rafinesque, 1837 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Gluviella
     Gluviella Caporiacco, 1948 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Daesiidae (Family)
 Gluviella Lawrence, 1956 accepted as Mumaella Harvey, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Daesiidae (Family)

Glycemeris
 Glycemeris Parkinson, 1811 † accepted as Glycymeris Da Costa, 1778 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Glycymerididae (Family)
 Glycemeris Gray, 1834 accepted as Glauconome Gray, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glauconomidae (Family)
 Glycemeris Fleming, 1828 accepted as Glycimeris Lamarck, 1799 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Hiatellidae (Family)

Glycera
     Glycera Haswell, 1879 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Uristidae (Family)
     Glycera Lamarck, 1818 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Glyceridae (Family)

Glyceres
     Glyceres Peters, 1862 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Glyceridae (Family)
 Glyceres Griffith in Cuvier, 1833 accepted as Glyceres Griffith in Cuvier, 1833 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Glyceridae (Family)

Glycimeris
 Glycimeris Lamarck, 1799 accepted as Panopea Ménard de la Groye, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Hiatellidae (Family)
 Glycimeris Lamarck, 1801 accepted as Cyrtodaria Reuss, 1801 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Hiatellidae (Family)

Glycine
 Glycine Linnaeus, 1753 accepted as Glycine Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Glycine Willdenow, 1802 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Glyciphagus
 Glyciphagus Zoological Record, 1976 accepted as Glycyphagus Hering, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Glycyphagidae (Family)
 Glyciphagus Gervais, 1841 accepted as Glycyphagus Hering, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Glycyphagidae (Family)

Glycyphila
 Glycyphila Agassiz, 1846 accepted as Gliciphila Swainson, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Nectariniidae (Family)
     Glycyphila Montagne, 1851 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Glyphaea
     Glyphaea J.D. Hooker, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Glyphaea Vosinsky, 1848 † accepted as Glyphea Meyer, 1835 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Glypheidae (Family)

Glyphidia
 Glyphidia Agassiz, 1846 [2] accepted as Acleris Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
 Glyphidia Agassiz, 1846 accepted as Gluphisia Boisduval, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Glyphidium
 Glyphidium Fresenius, 1865 accepted as · Chromista (Kingdom) > Miozoa (Phylum) > Noctiluciphyceae (Class) > Noctilucales (Order) > Protodiniferaceae (Family)
 Glyphidium A. Massalongo, 1860 accepted as Arthonia E. Acharius, 1806 · Fungi (Kingdom) > Ascomycota (Phylum) > Arthoniomycetes (Class) > Arthoniales (Order) > Arthoniaceae (Family)

Glyphis
 Glyphis Carpenter, 1857 accepted as Diodora J.E. Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Fissurellidae (Family)
     Glyphis Acharius, 1814 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Glyphis Agassiz, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)

Glyphisia
 Glyphisia Stephens, 1834 accepted as Acleris Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
     Glyphisia Stephens, 1829 accepted as Acleris Hübner, 1825 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
 Glyphisia Spuler in Hofmann-Spuler, 1903 accepted as Gluphisia Boisduval, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Glyphithyreus
     Glyphithyreus Reuss, 1858 † accepted as Glyphithyreus Reuss, 1859 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Panopeidae (Family)
     Glyphithyreus Reuss, 1859 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Panopeidae (Family)

Glyphoderus
     Glyphoderus Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Glyphoderus Westwood, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Glyphodes
     Glyphodes Guenée, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
     Glyphodes Guichenot, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Kyphosidae (Family)
     Glyphodes Inoue, Munroe & Mutuura, 1981 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Glyphodinium
     Glyphodinium Fresenius, 1865 (uncertain)· Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > (Family)
 Glyphodinium C.A. Kofoid & O. Swezy, 1921 accepted as Pseliodinium Sournia, 1972 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Ceratoperidiniaceae (Family)

Glyphodiscus
     Glyphodiscus Greville, 1862 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)
     Glyphodiscus Fisher, 1917 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Goniasteridae (Family)

Glyphodon
     Glyphodon Günther, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
     Glyphodon Roth, 1899 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Litopterna (Order) > Proterotheriidae (Family)

Glyphopeltis
     Glyphopeltis Deiss, 1939 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphida (awaiting allocation) (Family)
     Glyphopeltis F.A. Brusse, 1985 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Physciaceae (Family)

Glyphorhynchus
 Glyphorhynchus Anon., 1832 accepted as Glyphorynchus Wied, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Furnariidae (Family)
 Glyphorhynchus Hällström & Luther in Luther, 1907 accepted as Catenula Dugès, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Catenulida (Order) > Catenulidae (Family)

Glyphosperma
 Glyphosperma S. Watson, 1883 accepted as Asphodelus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)
 Glyphosperma A. Meunier, 1910 accepted as Glyphospermopsis E.A. Molinari-Novoa & M.D. Guiry, 2021 · Plantae (Kingdom) > Chlorophyta (Phylum) > Pyramimonadophyceae (Class) > Pyramimonadales (Order) > Pterospermataceae (Family)

Glyphostoma
     Glyphostoma Gabb, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Clathurellidae (Family)
 Glyphostoma Böttger, 1909 accepted as Glyptostoma Bland & Binney, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Megomphicidae (Family)

Glyphus
     Glyphus A. Milne-Edwards, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pasiphaeidae (Family)
     Glyphus Filhol, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pasiphaeidae (Family)

Glypta
     Glypta Gravenhorst, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Glypta Hong, 1984 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Glyptaster
     Glyptaster Hall, 1852 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Glyptaster Sladen in Thomson & Murray, 1885 accepted as Neomorphaster Sladen, 1889 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Forcipulatida (Order) > Stichasteridae (Family)

Glyptatelus
     Glyptatelus Ameghino, 1897 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cingulata (Order) > Glyptodontidae (Family)
     Glyptatelus Ameghino, 1897, nom. nud. † accepted as Glyptatelus Ameghino, 1897 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cingulata (Order) > Glyptodontidae (Family)

Glyptelasma
     Glyptelasma Pilsbry, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Pedunculata (Order) > Poecilasmatidae (Family)
 Glyptelasma Iredale & Hull, 1925 accepted as Bassethullia Pilsbry, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Acanthochitonidae (Family)

Glyptobasis
     Glyptobasis Koninck, 1881 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Glyptobasis Moure, 1941 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Glyptobasis McLachlan, 1871 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)

Glyptocephalus
     Glyptocephalus Agassiz, 1844 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Glyptocephalus Edwards, 1883 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Glyptocephalus Gottsche, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Pleuronectidae (Family)
     Glyptocephalus Agassiz, 1841 † accepted as Glyptocephalus Agassiz, 1841 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Glyptoconus
     Glyptoconus Kennedy, 1980 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodonta (awaiting allocation) (Order) > (Family)
     Glyptoconus Möllendorff, 1894 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glyptocrinus
     Glyptocrinus Hall, 1847 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)
 Glyptocrinus Wachsmuth & Springer, 1881 † accepted as Glyptocrinus Hall, 1847 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)

Glyptoderma
     Glyptoderma Fitzinger, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Glyptoderma R. Heim & Perreau-Bertrand, 1971 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Lycoperdaceae (Family)

Glyptoderus
 Glyptoderus Eichhoff, 1878 accepted as Glyptoderes Eichhoff, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Glyptoderus de la Ferté-Sénectère, 1851 accepted as Chlaenius Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Glyptoglossa
 Glyptoglossa Cooper, 1956 † accepted as Glyptoglossella Cooper, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Obolidae (Family)
     Glyptoglossa Brenske, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Glyptognathus
     Glyptognathus Lydekker, 1882 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Glyptognathus Newberry, 1889 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Glyptognathus Woodward, 1891 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Glyptolepidium
     Glyptolepidium O. Heer, 1876 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Gymnospermae (awaiting allocation) (Class) > Gymnospermae (awaiting allocation) (Order) > Gymnospermae (awaiting allocation) (Family)
 Glyptolepidium (Heer) Sordelli, 1896 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinopsida (awaiting allocation) (Order) > Pinopsida (awaiting allocation) (Family)

Glyptolepis
     Glyptolepis Agassiz, 1844 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Porolepiformes (Order) > Holoptychiidae (Family)
     Glyptolepis Agassiz, 1841 † accepted as Glyptolepis Agassiz, 1844 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Porolepiformes (Order) > Holoptychiidae (Family)
     Glyptolepis W.P. Schimper, 1870 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Voltziales (Order) > Voltziales (awaiting allocation) (Family)

Glyptomorpha
     Glyptomorpha Kormilev, 1977 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aradidae (Family)
     Glyptomorpha Holmgren, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Glyptonotus
     Glyptonotus A. Milne-Edwards, 1865 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Brachyura (awaiting allocation) (Family)
     Glyptonotus Eights, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Chaetiliidae (Family)

Glyptopleura
     Glyptopleura D.C. Eaton in S. Watson, 1871 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Glyptopleura Girty, 1910 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Glyptopleuridae (Family)

Glyptopterus
     Glyptopterus Paulian, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hybosoridae (Family)
 Glyptopterus de Chaudoir, 1838 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Glyptoscelis
     Glyptoscelis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Glyptoscelis Leconte, 1859 accepted as Glyptoscelis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Glyptosphaera
 Glyptosphaera Angelin, 1878 † accepted as Glyptosphaerites Müller, 1854 † · Animalia (Kingdom) > Echinodermata (Phylum) > Diploporita (Class) > Diploporita (awaiting allocation) (Order) > Diploporita (awaiting allocation) (Family)
     Glyptosphaera V.V. Kirjanov, 1978 † · Plantae (Kingdom) > Chlorophyta (Phylum) > Pyramimonadophyceae (Class) > Pseudoscourfieldiales (Order) > Pycnococcaceae (Family)

Glyptostoma
     Glyptostoma Bland & Binney, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Megomphicidae (Family)
 Glyptostoma Hervier, 1896 accepted as Glyphostoma Gabb, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Turridae (Family)

Glyptothorax
     Glyptothorax Blyth, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Sisoridae (Family)
 Glyptothorax Borchmann, 1937 accepted as Borchmannius Bousquet & Bouchard, 2021 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Glyptotyphlus
 Glyptotyphlus Hölzel, 1944 accepted as Megatyphlus Coiffait, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Glyptotyphlus Scheerpeltz, 1956 accepted as Megatyphlus Coiffait, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Glyptotyphlus Scheerpeltz, 1940 accepted as Megatyphlus Coiffait, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Glyptus
 Glyptus Sowerby, 1916 accepted as Diodora J.E. Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Fissurellidae (Family)
     Glyptus Brullé, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Glyptus Hoffmannsegg, 1818 accepted as Glyptus Hoffmannsegg, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)

Gmelina
     Gmelina Grimm in G.O. Sars, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Gammaridae (Family)
     Gmelina Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Gnamptodon
     Gnamptodon Haliday, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
     Gnamptodon Haliday in Curtis, 1829-30 accepted as Gnamptodon Haliday, 1833 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Gnaphalium
     Gnaphalium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gnaphalium Adanson, 1763 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gnaphalocera
     Gnaphalocera Chevrolat in D'Orbigny, 1845 accepted as Dorcasta Pascoe, 1858 (nomen oblitum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Gnaphalocera Dejean, 1835 accepted as Gnaphalocera Chevrolat in D'Orbigny, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gnaphalodes
     Gnaphalodes Thomson, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Gnaphalodes A. Gray, 1852 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gnaphalodes P. Miller, 1754 accepted as Actinobole Endlicher, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gnathanthidium
     Gnathanthidium Pasteels, 1969 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)
     Gnathanthidium Urban, 1992 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)

Gnatho
     Gnatho Klug, 1810 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Gnatho Goldfuss, 1820 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
 Gnatho Brulle, 1834 accepted as Megacephala Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)
 Gnatho Curtis, 1829-30 accepted as Pteromalus Swederus, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
 Gnatho Illiger, 1807 accepted as Tetracha Hope, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)

Gnathocera
     Gnathocera Kirby, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gnathocera Provancher, 1882 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gnathodon
     Gnathodon Jardine, 1845 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Columbiformes (Order) > Columbiformes (awaiting allocation) (Family)
     Gnathodon Robertson, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)
     Gnathodon Streubel in Ersch & Gruber, 1842 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Odontophoridae (Family)
 Gnathodon Verrill, 1899 accepted as Odontaster Verrill, 1880 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Odontasteridae (Family)
 Gnathodon Oken, 1816 accepted as Gnathanodon Bleeker, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Gnathodon G. B. Sowerby I, 1832 accepted as Rangia Desmoulins, 1832 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Mactridae (Family)

Gnathodus
     Gnathodus Pander, 1856 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Ozarkodinida (Order) > Gnathodontidae (Family)
 Gnathodus Fieber, 1866 accepted as Balclutha Kirkaldy, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Gnatholymnaeum
     Gnatholymnaeum Sharp, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Gnatholymnaeum Csiki, 1928 accepted as Gnatholimnaeum Sharp, 1901-1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Gnathopaederus
 Gnathopaederus Chapin, 1927 accepted as Paederus Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gnathopaederus Wendeler, 1927 accepted as Paederus Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gnathophausia
     Gnathophausia Willemoes-Suhm, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Lophogastrida (Order) > Gnathophausiidae (Family)
 Gnathophausia Humbert, 1874 accepted as Gnathophausia Humbert, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gnathophorus
 Gnathophorus Schedl, 1935 accepted as Gnathophthorus Wood, 1967 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gnathophorus Kirby, 1837 accepted as Parandra Latreille, 1802 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gnathophyllum
     Gnathophyllum Latreille, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gnathophyllidae (Family)
 Gnathophyllum Desmarest, 1823 accepted as Gnathophyllum Latreille, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gnathophyllidae (Family)

Gnathopsis
 Gnathopsis Leidy, 1852 † accepted as Megalonyx Jefferson, 1799 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Pilosa (Order) > Megalonychidae (Family)
 Gnathopsis accepted as Gnathophis Kaup, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Congridae (Family)

Gnathosia
     Gnathosia Fischer de Waldheim, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gnathosia Lacordaire, 1859 accepted as Dailognatha Steven, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gnathoxys
 Gnathoxys Wesmael, 1844 accepted as Stenodontus Berthoumieu, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Gnathoxys Westwood, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Gnesia
     Gnesia Doubleday in Doubleday & Westwood, 1848 accepted as Telchinia Hübner, 1819 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Gnesia Förster, 1868 accepted as Esigna Perkins, 1962 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Gnidia
     Gnidia Gumppenberg, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gnidia Koch, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Cosmetidae (Family)
     Gnidia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)

Gnidiella
 Gnidiella Parker, 1949 accepted as Chionopsis Olsson, 1932 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Gnidiella Roewer, 1957 accepted as Perugnidiella Cianferoni & Ceccolini, 2021 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Cosmetidae (Family)

Gnoma
     Gnoma Fabricius, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Gnoma Latreille, 1820 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)

Gnomonia
 Gnomonia Lunell, 1915 accepted as Festuca Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Gnomonia Cesati & De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Gnomoniaceae (Family)

Gnomoniopsis
 Gnomoniopsis Berlese, 1892 accepted as Gnomonia Cesati & De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Gnomoniaceae (Family)
 Gnomoniopsis Stoneman, 1898 accepted as Glomerella Spaulding & H. von Schrenk, 1903 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Glomerellaceae (Family)

Gnomus
     Gnomus Clarke & Oberprieler, 2019 † accepted as (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Mesophyletidae (Family)
     Gnomus C.O. Andrino & P.T. Sano in Andrino et al., 2023 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Eriocaulaceae (Family)

Gnophaela
     Gnophaela Walker, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Gnophaela Herrich-Schäffer, 1856 accepted as Paraethria Hampson, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Gnophaëla
 Gnophaëla Herrich-Schäffer, 1856 accepted as Paraethria Hampson, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Gnophaëla Walker, 1854 accepted as Gnophaela Walker, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Gnopherus
     Gnopherus Stål, 1872 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Gnopherus Andrewes, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Gnophodes
 Gnophodes Andrewes, 1923 accepted as Gnopherus Andrewes, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Gnophodes Doubleday in Doubleday & Westwood, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Gnorimus
 Gnorimus Chaudri, 1975 accepted as Lasioseius Berlese, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Ascidae (Family)
     Gnorimus Lepeletier & Serville, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gnostus
     Gnostus Westwood, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)
     Gnostus Fieber, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Gnotus
 Gnotus Simon, 1896 accepted as Gnolus Simon, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Mimetidae (Family)
     Gnotus Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Goajiria
 Goajiria Ivie & Hart, 2016 accepted as Diastolinus Mulsant & Rey, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Goajiria Marcuzzi, 1986 accepted as Goajiria Ivie & Hart, 2016 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gobia
 Gobia N.M. Makulbekov, 1988 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Cupressales (Order) > Cupressaceae (Family)
 Gobia Reinke, 1889 accepted as Dictyosiphon Greville, 1830 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Ectocarpales (Order) > Scytosiphonaceae (Family)
 Gobia K.B. Kordé in B.A. Trofimov, 1977 † accepted as · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Oscillatoriales (Order) > Oscillatoriaceae (Family)

Gobiates
     Gobiates Spinar, 1983 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Lissamphibia (awaiting allocation) (Order) > Lissamphibia (awaiting allocation) (Family)
     Gobiates Spinar & Tatarinov, 1986 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Lissamphibia (awaiting allocation) (Order) > Lissamphibia (awaiting allocation) (Family)

Gobiella
     Gobiella Szczechura, 1978 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Gobiella L. Cienkowsky, 1882 · Chromista (Kingdom) > Cercozoa (Phylum) > Vampyrellidea (Class) > Vampyrellida (Order) > Vampyrellidae (Family)
     Gobiella Balogh & Mahunka, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Thyrisomidae (Family)
     Gobiella Martinson, 1975 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Trigoniida (Order) > Trigoniida (awaiting allocation) (Family)
 Gobiella Smith, 1931 accepted as Gobiopterus Bleeker, 1874 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Gobileptes
 Gobileptes Swainson, 1839 accepted as Apocryptes Valenciennes in Cuvier & Valenciennes, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)
 Gobileptes Bleeker, 1874 accepted as Apocryptes Valenciennes in Cuvier & Valenciennes, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Gobindonema
     Gobindonema Sood & Parshad, 1974 † · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Heligmonellidae (Family)
 Gobindonema Khera, 1970 accepted as Koerneria Meyl, 1960 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Diplogasterida (Order) > Diplogasteridae (Family)

Gobio
 Gobio Bertrand, 1763 accepted as Gobio Bertrand, 1763 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces incertae sedis (Family)
     Gobio Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Gobio Klein, 1779 accepted as Gobius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)
 Gobio Walbaum, 1792 accepted as Gobius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Gobioceras
     Gobioceras Bogoslovskaya in Bogoslovskaya & Pavlova, 1988 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)
     Gobioceras Bai, Meng, Zhang, Gong & Wang, 2020 † accepted as Gobicerops Bai, Meng, Zhang, Gong & Wang, 2021 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Perissodactyla (Order) > Forstercooperiidae (Family)

Gobiocypris
     Gobiocypris Khand, 1974 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Gobiocypris Ye & Fu, 1983 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Gobiodon
     Gobiodon Bleeker, 1856 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)
 Gobiodon Trofimov, 1980 † accepted as Gobiotheriodon Trofimov, 1997 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Eutriconodonta (Order) > Amphidontidae (Family)

Gobiosoma
 Gobiosoma Dybowski, 1872 accepted as Saurogobio Bleeker, 1870 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Gobiosoma Klunzinger, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Gobiosoma Girard, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Godartia
 Godartia Chenu, 1851 accepted as Pycnosiphorus Solier in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)
     Godartia Lucas, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Godfrinia
     Godfrinia Kieffer, 1911 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Godfrinia Maire, 1902 accepted as Hygrocybe (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Hygrophoraceae (Family)

Godlewskia
     Godlewskia Westerlund, 1902 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Amnicolidae (Family)
     Godlewskia Crosse & Fischer, 1879 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Amnicolidae (Family)
     Godlewskia Clessin, 1883 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
 Godlewskia Janczewski, 1883 accepted as Chamaesiphon A. Braun in L. Rabenhorst, 1864 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Chamaesiphonaceae (Family)

Godmania
     Godmania Skinner & Ramsden, 1923 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Godmania Horváth, 1919 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Godmania W.B. Hemsley, 1879 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)

Godwinia
     Godwinia Sykes, 1900 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)
 Godwinia B.C. Seemann, 1869 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Goedartia
     Goedartia Boie in Krøyer, 1841 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Goedartia Bezzi in Becker-Kertész, 1907 accepted as Goedartia Bezzi in Becker-Kertész, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Goedartia Bezzi & Stein, 1907 accepted as Gaedartia Robineau-Desvoidy, 1863 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Goeldia
     Goeldia Keyserling, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Titanoecidae (Family)
 Goeldia Theobald, 1903 accepted as Shannoniana Lane & Cerqueira, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Goeppertia
 Goeppertia C.G.D. Nees, 1836 accepted as Endlicheria C.G.D. Nees, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Lauraceae (Family)
     Goeppertia C.G.D. Nees, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Marantaceae (Family)
 Goeppertia Grisebach, 1862 accepted as Bisgoeppertia O. Kuntze, 1891 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
 Goeppertia K.B. Presl in Sternberg, 1838 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiidae (awaiting allocation) (Order) > Polypodiidae (awaiting allocation) (Family)

Goera
     Goera Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Goeridae (Family)
     Goera Leach, 1815 accepted as Goera Stephens, 1829 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Goeridae (Family)

Goethalsia
     Goethalsia Pittier, 1914 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Goethalsia Nelson, 1912 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Goetzea
     Goetzea Wydler, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
 Goetzea H.G.L. Reichenbach, 1829 accepted as Goetzea H.G.L. Reichenbach, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Goetzia
 Goetzia Mikšič, 1963 accepted as Protaetia Burmeister, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Goetzia de Blainville, 1828 accepted as Goezia Zeder in Goeze, 1800 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Anisakidae (Family)

Goezia
     Goezia Zeder in Goeze, 1800 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Anisakidae (Family)
     Goezia Mozgovoi in Skrjabin, Shikhobalova & Mozgovoi, 1951 (uncertain)· Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)

Gogana
     Gogana Walker, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Gogana Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Drepanidae (Family)

Goidanichia
 Goidanichia G. Arnaud, 1954 accepted as Haplographium M.J. Berkeley & C.E. Broome, 1859 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Amicodiscaceae (Family)
 Goidanichia Tomaselli & Ciferri, 1952 accepted as Staurothele Norman, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariales incertae sedis (Family)

Goidanichiella
     Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Goidanichiella G. Arnaud, 1954 accepted as Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Goidanichiella G. Arnaud ex G.L. Barron, 1968 accepted as Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Goidanichiella G.L. Barron ex W. Gams in Gams, Steiman & Seigle-Murandi, 1990 accepted as Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Goldbachia
     Goldbachia A.P. de Candolle, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Goldbachia Trinius in K.P.J. Sprengel, 1821 accepted as Arundinella Raddi, 1823 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Goldenbergia
     Goldenbergia Scudder, 1885 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Palaeodictyoptera (Order) > Palaeodictyoptera (awaiting allocation) (Family)
     Goldenbergia T.G. Halle, 1933 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Pteridospermopsida (awaiting allocation) (Order) > Pteridospermopsida (awaiting allocation) (Family)

Goldfussia
     Goldfussia Castelnau, 1843 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Goldfussia Norman, 1891 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Goldfussia C.G.D. Nees in Wallich, 1832 accepted as Strobilanthes Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Goldia
 Goldia Theobald, 1903 accepted as Shannoniana Lane & Cerqueira, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
     Goldia Dubatolov & Korshunov, 1990 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
 Goldia Keyserling, 1891 accepted as Goeldia Keyserling, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Titanoecidae (Family)

Göldia
 Göldia Keyserling, 1891 accepted as Goeldia Keyserling, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Titanoecidae (Family)
 Göldia Theobald, 1903 accepted as Shannoniana Lane & Cerqueira, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Goldmania
 Goldmania Greenman, 1907 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Goldmania J.N. Rose in M. Micheli, 1903 accepted as Microlobius K.B. Presl, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Goldmania Nelson, 1911 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Goldnerara
     Goldnerara J. Dunkelberger, 2009 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Goldnerara J. Dunkelberger, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Golumnia
     Golumnia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Golumnia J.M.H. Shaw, 2004 accepted as Golumnia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gomara
 Gomara Ruiz & Pavon, 1794 accepted as Sanango Bunting & Duke, 1961 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
 Gomara Adanson, 1763 accepted as Crassula Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)

Gomenkoa
     Gomenkoa J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gomenkoa W. Savage & J.M.H. Shaw, 2004 accepted as Gomenkoa J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gomesia
 Gomesia C.P.J. Sprengel, 1826 accepted as Gomesa R. Brown in J. Sims, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Gomesia La Llave, 1838 accepted as Gomesia La Llave, 1838 (nomen nudum)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gomezia
 Gomezia G. Bentham & J.D. Hooker, 1873 accepted as Gomesia La Llave, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gomezia F.G. Bartling, 1830 accepted as Gomesa R. Brown in J. Sims, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gomezia J.C.B. Mutis, 1821 accepted as Nertera Banks ex J. Gaertner, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gomezina
 Gomezina Chardón & Toro, 1934 accepted as Aphanostigme H. Sydow, 1926 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Pseudoperisporiaceae (Family)
     Gomezina J.M.H. Shaw, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gomguezia
     Gomguezia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gomguezia J.M.H. Shaw, 2004 accepted as Gomguezia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gomphiocephalus
 Gomphiocephalus Verhoeff, 1943 accepted as Gomphiulus Mauriès, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Julida (Order) > Blaniulidae (Family)
     Gomphiocephalus Carpenter, 1908 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Hypogastruridae (Family)

Gomphites
     Gomphites Tillyard, 1925 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protodonata (Order) > Protodonata (awaiting allocation) (Family)
     Gomphites Handlirsch in Schroeder, 1920 † accepted as Gomphites Handlirsch in Schroeder, 1920 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protodonata (Order) > Protodonata (awaiting allocation) (Family)
     Gomphites Carter, 1871 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Hadromerida (Order) > Hadromerida (awaiting allocation) (Family)

Gomphoceratites
     Gomphoceratites d'Archiac & de Verneuil, 1842 † accepted as Gomphoceratites d'Archiac & de Verneuil, 1842 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gomphoceratites Steininger, 1849 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gomphocerus
     Gomphocerus Herrmannsen, 1852 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gomphocerus Thunberg, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Gomphocerus Fischer de Waldheim, 1848 † accepted as Gomphocerus Fischer de Waldheim, 1848 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)

Gomphodus
 Gomphodus Pander, 1856 † accepted as Gomphonchus Gross, 1971 † · Animalia (Kingdom) > Chordata (Phylum) > Acanthodii (Class) > Climatiiformes (Order) > Climatiiformes (awaiting allocation) (Family)
     Gomphodus Reuss, 1846 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gomphogaster
     Gomphogaster O.K. Miller, 1973 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Gomphidiaceae (Family)
 Gomphogaster Vorce, 1888 accepted as Ploesoma Herrick, 1885 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Synchaetidae (Family)

Gomphonema
     Gomphonema Ehrenberg, 1832 · Chromista (Kingdom) > Bacillariophyta (Phylum) > Bacillariophyceae (Class) > Cymbellales (Order) > Gomphonemataceae (Family)
 Gomphonema C.A. Agardh, 1824 accepted as Didymosphenia M. Schmidt in A. Schmidt, 1899 · Chromista (Kingdom) > Bacillariophyta (Phylum) > Bacillariophyceae (Class) > Cymbellales (Order) > Gomphonemataceae (Family)

Gomphos
     Gomphos Shevyreva, 1975 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mixodontia (Order) > Eurymylidae (Family)
 Gomphos O. Kuntze, 1891 accepted as Cortinarius (Persoon) S.F. Gray, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Cortinariaceae (Family)

Gomphostylis
 Gomphostylis Wallich ex Lindley, 1830 accepted as Gomphostylis Wallich ex Lindley, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Gomphostylis Rafinesque, 1837 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Gomphotherium
     Gomphotherium Cope, 1886 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Camelidae (Family)
     Gomphotherium Malkani, 2019 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Proboscidea (Order) > (Family)
     Gomphotherium Burmeister, 1837 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Proboscidea (Order) > Gomphotheriidae (Family)
 Gomphotherium Schlosser, 1890 † accepted as Gomphotherium Schlosser, 1890 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Talpidae (Family)

Gomphus
 Gomphus (E.M. Fries) Weinmann, 1826 accepted as Gomphidius E.M. Fries, 1836 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Gomphidiaceae (Family)
     Gomphus Persoon, 1797 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Gomphales (Order) > Gomphaceae (Family)
     Gomphus Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Gomphidae (Family)

Gomtiotrema
 Gomtiotrema Sinha, 1934 accepted as Plasmiorchis Mehra, 1934 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Strigeidida (Order) > Spirorchiidae (Family)
 Gomtiotrema Gupta, 1955 accepted as Azygia Looss, 1899 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Azygiida (Order) > Azygiidae (Family)

Gonatas
     Gonatas Distant, 1882 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
     Gonatas Kaup, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Passalidae (Family)

Gonatocerus
 Gonatocerus Schaufuss, 1880 accepted as Briara Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Gonatocerus Nees, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Mymaridae (Family)

Gonatonotus
     Gonatonotus White, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pilumnidae (Family)
 Gonatonotus A. Milne-Edwards, 1881 accepted as Eugonatonotus Schmitt, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Eugonatonotidae (Family)

Gonatopus
     Gonatopus Ljungh in Weber & Mohr, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Dryinidae (Family)
     Gonatopus J.D. Hooker ex Engler in Alph. de Candolle & A.C. de Candolle, 1879 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Gondwanella
     Gondwanella Chandra & Betekhtina, 1990 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterioida (awaiting allocation) (Family)
     Gondwanella Betekhtina, 1990 † accepted as (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myalinida (Order) > Naiaditidae (Family)

Gondwania
     Gondwania Bardashev, Weddige & Ziegler, 2002 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Ozarkodinida (Order) > Eognathodidae (Family)
     Gondwania U. Søchting, P. Frödén & U. Arup in Arup, Søchting & Frödén, 2013 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Teloschistaceae (Family)

Gondwanocrypticus
     Gondwanocrypticus Español Coll, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gondwanocrypticus Koch, 1950 accepted as Gondwanocrypticus Español Coll, 1955 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gondwanotrichomyia
 Gondwanotrichomyia Duckhouse, 1985 accepted as Trichomyia Haliday in Curtis, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Psychodidae (Family)
 Gondwanotrichomyia Duckhouse, 1980 accepted as Gondwanotrichomyia Duckhouse, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Psychodidae (Family)

Gondwanoxylon
 Gondwanoxylon S. Saksena, 1963 † accepted as Gondwanoxylon S. Saksena, 1963 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Gymnospermae (awaiting allocation) (Class) > Gymnospermae (awaiting allocation) (Order) > Gymnospermae (awaiting allocation) (Family)
 Gondwanoxylon H.K. Maheshwari in R. Kräusel, P.K. Maithy & H.K. Maheshwari, 1962 † accepted as Gondwanoxylon H.K. Maheshwari in R. Kräusel, P.K. Maithy & H.K. Maheshwari, 1962 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Gymnospermae (awaiting allocation) (Class) > Gymnospermae (awaiting allocation) (Order) > Gymnospermae (awaiting allocation) (Family)

Gonginia
     Gonginia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gonginia J.M.H. Shaw, 2004 accepted as Gonginia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gongroneura
     Gongroneura Jacobi in Sjöstedt, 1910 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Membracidae (Family)
     Gongroneura Enderlein, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)

Gongylis
     Gongylis N. Hoffmann, 1970 † accepted as (nomen dubium)· Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > (Order) > (Family)
     Gongylis Theophrastus ex E.A. Molinari-Novoa & C. Sánchez Ocharan, 2016 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Gongylus
     Gongylus Thunberg, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Empusidae (Family)
     Gongylus Wagler, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Gonia
     Gonia Meigen, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Gonia Heinemann, 1870 accepted as Deuterogonia Rebel in Staudinger & Rebel, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)

Goniaea
 Goniaea Hendel, 1909 accepted as Goniaeola Hendel, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Ulidiidae (Family)
     Goniaea Stål, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Goniaeolis
 Goniaeolis Odhner, 1922 accepted as Gonieolis M. Sars, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Goniaeolididae (Family)
     Goniaeolis M. Sars, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Goniaeolididae (Family)

Gonianthes
 Gonianthes A. Richard in Sagra, 1850 accepted as Cubanola A. Aiello, 1979 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Gonianthes Blume, 1823 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dioscoreales (Order) > Burmanniaceae (Family)

Goniapteryx
     Goniapteryx Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Goniapteryx Westwood, 1840 accepted as Gonepteryx Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)

Goniaspidius
     Goniaspidius Périguey, 1902 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Goniaspidius Burmeister, 1844 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Goniloba
     Goniloba Westwood in Doubleday & Westwood, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Goniloba M.H.J. van der Meer, 2019 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)

Goniobatis
     Goniobatis Le Hon, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Goniobatis Agassiz, 1858 accepted as Aetobatus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Myliobatidae (Family)

Goniocara
     Goniocara Uvarov, 1953 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Goniocara Hay, 1929 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)

Goniocarabus
 Goniocarabus Reitter, 1896 accepted as Cancellocarabus Lučnik, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Goniocarabus Géhin, 1885 accepted as Carabus Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Goniocephala
     Goniocephala Chevrolat in D'Orbigny, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)
     Goniocephala Chevrolat in Dejean, 1836 accepted as Goniocephala Chevrolat in D'Orbigny, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)

Goniocephalus
 Goniocephalus Kaup, 1827 accepted as Gonocephalus Kaup, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
     Goniocephalus Broili, 1913 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Goniocephalus Le Guillou, 1844 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Goniocerus
     Goniocerus Malaise, 1942 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Goniocerus Motschoulsky, 1868 accepted as Genyocerus Motschoulsky, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Goniocerus Douglas & Scott, 1876 accepted as Goniocerus Douglas & Scott, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)
 Goniocerus Dalla Torre, 1898 accepted as Goniocerus Dalla Torre, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eulophidae (Family)

Goniochilus
     Goniochilus Harold, 1878 accepted as Oplostomus McLeay in Smith, 1838 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Goniochilus Sandberger, 1875 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
     Goniochilus M.W. Chase, 1987 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gonioclymenia
     Gonioclymenia Hyatt, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Gonioclymeniidae (Family)
 Gonioclymenia Wedekind, 1908 † accepted as Gonioclymenia Hyatt, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Gonioclymeniidae (Family)

Goniocoelia
     Goniocoelia Etallon, 1858 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
 Goniocoelia Hall, 1861 † accepted as Pentagonia Cozzens, 1846 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Meristellidae (Family)

Gonioctena
     Gonioctena Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gonioctena Redtenbacher in Huegel, 1844 accepted as Gonioctena Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Goniodactylus
     Goniodactylus Gray, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)
 Goniodactylus Kuhl in Férussac, 1826 accepted as Gonydactylus Kuhl & Hasselt, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)

Goniodera
     Goniodera Agassiz, 1846 accepted as Goniadera Perty, 1832 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Goniodera Laporte, 1840 accepted as Goniadera Perty, 1832 (misspelling - incorrect subsequent spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Goniodes
 Goniodes Stephens, 1829 accepted as Lomechusa Gravenhorst, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Goniodes Nitzsch, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Philopteridae (Family)

Goniodiscus
     Goniodiscus Clessin in Pfeiffer, 1881 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Endodontidae (Family)
     Goniodiscus Kuhlmann, 1933 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Celastrales (Order) > Celastraceae (Family)
 Goniodiscus Müller & Troschel, 1842 accepted as Culcita Agassiz, 1836 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Oreasteridae (Family)
 Goniodiscus Raymond, 1913 † accepted as Calodiscus Howell, 1935 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Agnostida (Order) > Calodiscidae (Family)
     Goniodiscus Waagen, 1895-96 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Prionitidae (Family)

Goniodoma
 Goniodoma Stein, 1883 accepted as Scrippsiella E. Balech ex A.R. Loeblich III, 1965 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Thoracosphaerales (Order) > Thoracosphaeraceae (Family)
     Goniodoma Zeller, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Coleophoridae (Family)

Goniodon
 Goniodon Perrier, 1894 accepted as Diplodontias Fisher, 1908 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Odontasteridae (Family)
     Goniodon Herrick, 1888 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Goniodus
     Goniodus Dunker, 1848 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Goniodus Newberry, 1890 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Goniodus Agassiz, 1836 accepted as Echinorhinus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Echinorhinidae (Family)

Goniognathus
     Goniognathus Agassiz, 1841 † accepted as Goniognathus Agassiz, 1841 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Goniognathus Kraatz, 1883 accepted as Carabus Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Goniognathus Bergroth, 1920 accepted as Goniognathus Bergroth, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Goniogyra
 Goniogyra Kittl, 1894 † accepted as Goniospira Cossmann, 1895 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Goniogyra Agassiz, 1845 accepted as Goniogyra Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gonioma
     Gonioma Turner, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Xyloryctidae (Family)
     Gonioma E.H.F. Meyer, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Goniomorpha
     Goniomorpha Yin, 1986 † · Animalia (Kingdom) > Priapulida (Phylum) > Palaeoscolecida (Class) > (Order) > (Family)
     Goniomorpha Carter in Carter, Altaba, Anderson et al., 2011 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Modiomorphoida (Order) > Modiomorphidae (Family)

Gonionema
     Gonionema Koken, 1896 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gonionema Hargitt, 1902 accepted as Gonionemus A. Agassiz, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Magapiidae (Family)
 Gonionema Nylander, 1855 accepted as Thermutis E.M. Fries, 1825 · Fungi (Kingdom) > Ascomycota (Phylum) > Lichinomycetes (Class) > Lichinales (Order) > Lichinaceae (Family)

Gonionotus
 Gonionotus Marshall, 1868 accepted as Gonionotus Marshall, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
     Gonionotus Gray in Stokes, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Gonionotus Mocquard, 1889 accepted as Gonionotophis Boulenger, 1893 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Lamprophiidae (Family)

Goniophlebium
     Goniophlebium (Blume) K.B. Presl, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)
     Goniophlebium K.B. Presl ex Pichi Sermolli, 1973 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Goniophora
 Goniophora Jeffreys, 1883 accepted as Tropidomya Dall & E. A. Smith, 1886 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pholadomyoida (Order) > Cuspidariidae (Family)
     Goniophora Phillips, 1848 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Modiomorphoida (Order) > Modiomorphidae (Family)

Goniopleura
     Goniopleura Westwood, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Goniopleura Hawle & Corda, 1847 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Goniopsis
     Goniopsis Duda, 1929 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chloropidae (Family)
     Goniopsis Melichar, 1899 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Nogodinidae (Family)
     Goniopsis De Haan, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Grapsidae (Family)

Goniopsyllus
 Goniopsyllus Baker, 1905 accepted as Notiopsylla Jordan & Rothschild, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Siphonaptera (Order) > Pygiopsyllidae (Family)
     Goniopsyllus Brady, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Peltidiidae (Family)

Goniopterus
 Goniopterus Agassiz, 1846 accepted as Gonipterus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Goniopterus Gemminger & Harold, 1871 accepted as Gonipterus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Goniopteryx
 Goniopteryx Wallengren, 1853 accepted as Gonepteryx Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)
 Goniopteryx Agassiz, 1846 accepted as Goniapteryx Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Goniopugettia
     Goniopugettia Davie & Ng, 2024 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)
     Goniopugettia Sakai, 1986 accepted as Goniopugettia Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)
     Goniopugettia Ng, Guinot & Davie, 2008 accepted as Goniopugettia Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)

Goniorhynchus
     Goniorhynchus Olson, 1970 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Microsauria (Order) > Gymnarthridae (Family)
     Goniorhynchus Hampson, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Goniosoma
     Goniosoma Conrad, 1869 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Goniosoma Costa, 1844 accepted as Argentina Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Argentiniformes (Order) > Argentinidae (Family)
     Goniosoma Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Goniosoma A. Milne-Edwards, 1861 accepted as Charybdis De Haan in Siebold, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)

Goniospira
 Goniospira Donald, 1902 † accepted as Donaldiella Cossmann, 1903 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda incertae sedis (Order) > Lophospiridae (Family)
     Goniospira Cossmann, 1895 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
 Goniospira Girty, 1915 † accepted as Goniasma Tomlin, 1930 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Coenogastropoda incertae sedis (Order) > Goniasmatidae (Family)

Goniostoma
 Goniostoma Villa, 1841 accepted as Rissoa Desmarest, 1814 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)
     Goniostoma Adams, 1860 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Goniosupradens
     Goniosupradens Davie & Ng, 2024 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)
     Goniosupradens Leene, 1938 accepted as Goniosupradens Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)
     Goniosupradens Davie, 2002 accepted as Goniosupradens Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)

Goniothorax
     Goniothorax Emery, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Goniothorax A. Milne-Edwards, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)
     Goniothorax Sharp, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)

Goniothyris
     Goniothyris Buckman, 1918 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Terebratulidae (Family)
     Goniothyris Buckman, 1914 † accepted as Goniothyris Buckman, 1918 (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Hegathyridae (Family)

Gonipterus
 Gonipterus Gerstaecker, 1860 accepted as Guioperus Perty, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gonipterus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gonipterus Schönherr, 1833, nom. nud. accepted as Gonipterus Schönherr, 1833 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Goniurus
     Goniurus Hübner, 1819 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Goniurus K.B. Presl, 1851 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
     Goniurus Raymond, 1913 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Bathyuridae (Family)

Gonocarpus
 Gonocarpus W. Hamilton, 1825 accepted as Combretum Loefling, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Combretaceae (Family)
     Gonocarpus Thunberg, 1783 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Haloragaceae (Family)

Gonocephalum
     Gonocephalum Solier, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gonocephalum Chevrolat, 1849 accepted as Gonocephalum Solier, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gonocephalus
 Gonocephalus Kner, 1855 accepted as Clarotes Kner, 1855 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Bagridae (Family)
     Gonocephalus Kaup, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
 Gonocephalus Keller, 1937 accepted as Goniodes Nitzsch, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Goniodidae (Family)
 Gonocephalus Gronow in Gray, 1854 accepted as Dactylopterus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Dactylopteridae (Family)
     Gonocephalus Nitzsch in Giebel, 1861 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Phthiraptera (awaiting allocation) (Family)

Gonocleonus
     Gonocleonus Chevrolat, 1873 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gonocleonus Marseul, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gonocnemis
 Gonocnemis Lacordaire, 1866 accepted as Physoproctus Lacordaire, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gonocnemis Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gonodactylus
     Gonodactylus Gray, 1830 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Gonodactylus (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Callianassidae (Family)
     Gonodactylus Berthold in Latreille, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Stomatopoda (Order) > Gonodactylidae (Family)

Gonodes
     Gonodes Hampson, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gonodes Druce, 1908 accepted as Gonodes Hampson, 1909 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Gonodon
     Gonodon Held, 1837 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gonodon Schafhäutl, 1863 † accepted as Schafthautlia Cossmann, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gonoleptes
 Gonoleptes Gray, 1833 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Gonoleptes Sundevall, 1833 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Gonoleptus
 Gonoleptus Berthold in Latreille, 1827 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Gonoleptus Erichson, 1845 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Gonomyella
 Gonomyella Alexander, 1917 accepted as Progonomyia Alexander, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Gonomyella Alexander, 1916 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Gonomyella Meunier, 1899 accepted as Gonomyella Meunier, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)

Gonomyiella
     Gonomyiella Meunier, 1899 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)
     Gonomyiella Kuntze, 1919 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)

Gononema
 Gononema Fowler in Lankester, 1900 accepted as Gonionemus A. Agassiz, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Magapiidae (Family)
     Gononema Kuckuck & Skottsberg, 1921 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Ectocarpales (Order) > Chordariaceae (Family)

Gonophora
 Gonophora Bruand, 1845 accepted as Habrosyne Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Drepanidae (Family)
     Gonophora Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gonophora Guérin-Méneville, 1844 accepted as Gonophora Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gonoptera
     Gonoptera Berthold in Latreille, 1827 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gonoptera Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)
 Gonoptera Turczaninow, 1847 accepted as Bulnesia C. Gay, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zygophyllales (Order) > Zygophyllaceae (Family)

Gonopterus
     Gonopterus Solier, 1843 accepted as Somaticus Hope, 1840 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gonopterus Gronow in Gray, 1854 accepted as Zanclus Cuvier in Cuvier & Valenciennes, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Zanclidae (Family)

Gonorhynchus
 Gonorhynchus McClelland, 1839 accepted as Crossocheilus Kuhl & van Hasselt in van Hasselt, 1823 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Gonorhynchus Scopoli, 1777 accepted as Gonorynchus Gronow, 1763 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gonorynchiformes (Order) > Gonorynchidae (Family)

Gonorynchus
 Gonorynchus Gronow, 1763 accepted as · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gonorynchiformes (Order) > Gonorynchidae (Family)
     Gonorynchus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gonorynchiformes (Order) > Gonorynchidae (Family)

Gonostoma
     Gonostoma Held, 1837 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gonostoma Binney, 1878 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gonostoma Adams, 1854 accepted as Gonostoma Adams, 1854 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)
     Gonostoma Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Stomiiformes (Order) > Gonostomatidae (Family)
 Gonostoma van Hasselt, 1823 accepted as Anodontostoma Bleeker, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Clupeiformes (Order) > Clupeidae (Family)

Gonotheca
 Gonotheca Rafinesque, 1818 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gonotheca Blume ex A.P. de Candolle, 1830 accepted as Oldenlandia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gonotrema
     Gonotrema Rafinesque, 1831 (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Gonotrema Rafinesque, 1820 accepted as Gonotrema Rafinesque, 1820 (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)

Gonyacantha
 Gonyacantha Stål, 1873 accepted as Acanthoxia Bolivar, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Gonyacantha Thomson, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gonyglossum
 Gonyglossum Bezzi, 1910 accepted as Carpomya Costa, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Gonyglossum Efflatoun, 1924 accepted as Carpomya Costa, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Gonzalezia
     Gonzalezia De Santis, 1964 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)
     Gonzalezia E.E. Schilling & J.L. Panero, 2011 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gonzalosia
     Gonzalosia Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)
     Gonzalosia Báguena-Corella, 1948 accepted as Gonzalosia Collado & Alonso-Zarazaga, 1996 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)

Goodallia
     Goodallia Bentham, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)
 Goodallia Deshayes, 1860 † accepted as Microstagon Cossmann, 1896 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Ungulinidae (Family)
     Goodallia T.E. Bowdich, 1825 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)
     Goodallia Turton, 1822 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Astartidae (Family)

Goodea
     Goodea Shinji, 1922 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
     Goodea Jordan, 1880 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Goodeidae (Family)

Goodfellowia
     Goodfellowia Hartert, 1903 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Goodfellowia Labeda & Kroppenstedt, 2006 accepted as Goodfellowiella Labeda et al., 2008 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Actinomycetales (Order) > Pseudonocardiaceae (Family)

Goodia
     Goodia Holland, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
     Goodia R.A. Salisbury, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Goodnightiella
 Goodnightiella Roewer, 1949 accepted as Crosbyella Roewer, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Phalangodidae (Family)
     Goodnightiella Soares & Soares, 1946 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Goodrichia
     Goodrichia Clench, 1929 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Goodrichia Moy-Thomas, 1936 † accepted as Goodrichthys Moy-Thomas, 1951 † · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Ctenacanthiformes (Order) > Ctenacanthiformes (awaiting allocation) (Family)

Goodsirea
 Goodsirea Garstang, 1895 accepted as Goodsirea Garstang, 1895 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Styelidae (Family)
 Goodsirea Wright, 1859 accepted as Eutima McCrady, 1859 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Eirenidae (Family)

Goossensia
     Goossensia Heinemann, 1958 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Cantharellales (Order) > Cantharellaceae (Family)
     Goossensia Ragonot, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Goossensia Cossmann, 1885 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneroida (awaiting allocation) (Family)

Gopherus
     Gopherus Rafinesque, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Testudinidae (Family)
     Gopherus Rafinesque, 1815 accepted as Gopherus Rafinesque, 1832 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Testudinidae (Family)

Goplana
 Goplana Wrześniowski, 1879 accepted as Synurella Wrześniowski, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Crangonyctidae (Family)
     Goplana Raciborski, 1900 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Pucciniales (Order) > Chaconiaceae (Family)

Gordia
     Gordia Emmons, 1844 † · Animalia (Kingdom) > Trace fossils (Phylum) > (Class) > (Order) > (Family)
 Gordia Melichar, 1903 accepted as Gordiacea Metcalf, 1948 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Achilidae (Family)

Gordiorhynchus
 Gordiorhynchus Dollfus & Golvan, 1957 accepted as Centrorhynchus Lühe in Brauer, 1911 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Polymorphida (Order) > Centrorhynchidae (Family)
 Gordiorhynchus Meyer, 1931 accepted as Centrorhynchus Lühe in Brauer, 1911 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Polymorphida (Order) > Centrorhynchidae (Family)

Gordius
     Gordius Linnaeus, 1758 · Animalia (Kingdom) > Nemertea (Phylum) > Nemertea incertae sedis (Class) > Nemertea incertae sedis (Order) > Nemertea incertae sedis (Family)
 Gordius Slabber, 1769-78 accepted as Gordius Slabber, 1769-78 · Animalia (Kingdom) > Nemertea (Phylum) > Nemertea (awaiting allocation) (Class) > Nemertea (awaiting allocation) (Order) > Nemertea (awaiting allocation) (Family)
 Gordius accepted as Lineus Sowerby, 1806 · Animalia (Kingdom) > Nemertea (Phylum) > Pilidiophora (Class) > Heteronemertea (Order) > Lineidae (Family)

Gordonella
 Gordonella Ray & Sarkar, 1969 accepted as Schellackia Reichenow, 1920 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Eucoccidiida (Order) > Lankesterellidae (Family)
     Gordonella Grundel, 1990 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Gordonella Tirmizi, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Solenoceridae (Family)

Gordonia
     Gordonia corrig. (ex Tsukamura, 1971) Stackebrandt, Smida & Collins, 1989 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Actinomycetales (Order) > Nocardiaceae (Family)
     Gordonia J. Ellis, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Theaceae (Family)
     Gordonia Malloch, 1926 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Gordonia Newton, 1892 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Therapsida (Order) > Dicynodontidae (Family)
 Gordonia Pretzmann, 1965 accepted as Isabellagordonia Pretzmann, 1967 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pseudothelphusidae (Family)

Gordoniella
     Gordoniella Zagorsek, 2001 † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Gordoniella Itono, 1977 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Wrangeliaceae (Family)

Gorgonella
     Gorgonella Zolotuhin in Zolotuhin & Witt, 2000 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lasiocampidae (Family)
     Gorgonella Valenciennes, 1855 accepted as Verrucella Milne Edwards & Haime, 1857 (junior subjective synonym)· Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Scleralcyonacea (Order) > Ellisellidae (Family)

Gorgonia
     Gorgonia Hall, 1847 † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Gorgonia Hübner, 1823 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gorgonia Linnaeus, 1758 · Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Malacalcyonacea (Order) > Gorgoniidae (Family)

Gorgopis
 Gorgopis Menge in Berendt, 1854 † accepted as Gorgopsina Petrunkevitch, 1955 † · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
     Gorgopis Hübner, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gorgopis Gerstaecker, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Platystomatidae (Family)

Gorgus
     Gorgus Gemminger & Harold, 1871 accepted as Hypsophorus Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gorgus Schönherr, 1825 accepted as Cratosomus Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gorna
 Gorna Holland, 1894 accepted as Gorua Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gorna Poppius, 1914 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Gornostachia
     Gornostachia P.N. Kolosov, 1982 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)
     Gornostachia Schapovalova, 1974 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Kussiellida (Order) > Kussiellidae (Family)

Gorskia
     Gorskia Poletaeva & Fedyanina, 1971 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Gorskia Bolle in W.C.H. Peters, 1861 accepted as Guibourtia J.J. Bennett, 1857 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Gorskia Poletaeva & Fedyanina, 1970 † accepted as Gorskia Poletaeva & Fedyanina, 1970 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Gortania
 Gortania Cossmann, 1909 † accepted as Gortania Cossmann, 1909 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Gortania Rabbi, 1960 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Gossea
 Gossea Zelinka, 1889 accepted as Neogossea Remane, 1927 · Animalia (Kingdom) > Gastrotricha (Phylum) > (Class) > Chaetonotida (Order) > Neogosseidae (Family)
 Gossea Spence Bate, 1862 accepted as Apherusa Walker, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Calliopiidae (Family)
     Gossea L. Agassiz, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Limnomedusae (Order) > Olindiidae (Family)

Gosseletia
     Gosseletia Koninck, 1883 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Gosseletia Barrois, 1882 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterioida (awaiting allocation) (Family)

Gossia
     Gossia N. Snow & G.P. Guymer · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Gossia Quatrefages, 1866 accepted as Exogone Örsted, 1845 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Syllidae (Family)

Gotocotyla
     Gotocotyla Meserve, 1938 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Gotocotyla Ishii, 1936 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Mazocraeidea (Order) > Gotocotylidae (Family)

Gouania
 Gouania Bonaparte, 1846 accepted as Gouania Nardo, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiesociformes (Order) > Gobiesocidae (Family)
     Gouania Nardo, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiesociformes (Order) > Gobiesocidae (Family)
     Gouania N.J. Jacquin, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rhamnaceae (Family)

Gouldia
     Gouldia C. B. Adams, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Gouldia A. Gray, 1859 accepted as Kadua Chamisso & D.F.L. Schlechtendal, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Gouldia Bonaparte, 1849 accepted as Popelairia Reichenbach, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Gouldomyia
     Gouldomyia Bonaparte, 1854, nom. nud. accepted as Popelairia Reichenbach, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)
 Gouldomyia Bonaparte, 1854 accepted as Popelairia Reichenbach, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Gounellea
     Gounellea Martins, Chemsak & Linsley, 1966 accepted as Gounelloeme Monné & Martins, 1974 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Gounellea Lane, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Goweria
     Goweria Lea, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Goweria J.A. Wolfe, 1968 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Menispermaceae (Family)

Goya
     Goya Navás, 1928 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Psocoptera (awaiting allocation) (Family)
     Goya Ragonot, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Goya Mello-Leitão, 1945 accepted as Chira Peckham & Peckham, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)

Goyazia
 Goyazia Toledo Piza, 1940 accepted as Eusarcus Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Goyazia Taubert, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Gozarta
     Gozarta Walker, 1869 accepted as Bardaxima Walker, 1858 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
 Gozarta Walker, 1868 accepted as Lophops Spinola, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lophopidae (Family)

Grabauoceras
     Grabauoceras Shimizu & Obata, 1935 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Grabauoceras Shimizu & Obata, 1936 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Graciella
     Graciella Jordan, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Graciella Rozova, 1963 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Gracilaria
     Gracilaria Greville, 1830 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gracilariales (Order) > Gracilariaceae (Family)
 Gracilaria Zeller, 1839 accepted as Gracilaria Zeller, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)

Gracilia
     Gracilia Audinet-Serville, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Gracilia accepted as Gracila Randall, 1964 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)

Graculus
 Graculus Vieillot, 1818 accepted as Gracula Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sturnidae (Family)
 Graculus Möhring, 1758 accepted as Graculus Möhring, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Graculus G.R. Gray, 1845 accepted as Graculus G.R. Gray, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Graculus Koch, 1816 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Graculus Reichenbach, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gradiella
     Gradiella Lyashenko, 1969 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cricoconarida (Class) > Cricoconarida (awaiting allocation) (Order) > Cricoconarida (awaiting allocation) (Family)
     Gradiella Kittl, 1899 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)

Graea
     Graea Philippi, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Ommexechidae (Family)
     Graea Thorell, 1870 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Graeffea
     Graeffea Brunner in Graeffe, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Phasmatidae (Family)
 Graeffea B.C. Seemann, 1865 accepted as Trichospermum Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Graellsia
     Graellsia Grote, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
 Graellsia Boissier, 1841 accepted as Draba Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Graëllsia
 Graëllsia Grote, 1896 accepted as Graellsia Grote, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
     Graëllsia Boissier, 1841 represented as Graellsia Boissier, 1841 (alternative representation)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Graemontia
     Graemontia Staręga, 1992 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Triaenonychidae (Family)
     Graemontia Lawrence, 1931 accepted as Graemontia Staręga, 1992 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Triaenonychidae (Family)

Graffenrieda
     Graffenrieda A.P. de Candolle, 1828 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Graffenrieda C.F.P. Martius, 1832 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Graffia
     Graffia Csuzdi & Zicsi, 1991 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
 Graffia Ihering, 1880 accepted as Graffilla Ihering, 1880 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Graffillidae (Family)
     Graffia Levinsen, 1879 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)

Graffilla
     Graffilla Ihering, 1880 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Graffillidae (Family)
     Graffilla Korotneff, 1912 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)

Grafia
 Grafia A.D. Hawkes, 1966 accepted as Phalaenopsis Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Grafia H.G.L. Reichenbach, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Grafia Krantz, 1962 accepted as Trigonholaspis Vitzthum, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Macrochelidae (Family)

Grahamia
     Grahamia Allgén, 1959 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Monhysterida (Order) > Linhomoeidae (Family)
     Grahamia Gillies in W.J. Hooker & Arnott, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Anacampserotaceae (Family)
 Grahamia Tartakowsky, 1910 accepted as Bartonella Strong et al., 1915 (Approved Lists, 1980) emend. Birtles et al., 1995 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Alphaproteobacteria (Class) > Rhizobiales (Order) > Bartonellaceae (Family)
     Grahamia Theobald, 1909 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Grahamia Erdos, 1966 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eulophidae (Family)

Gramella
     Gramella Nedashkovskaya, Kim, Lysenko, Frolova, Mikhailov, Bae, Lee & Kim, 2005 · Bacteria (Kingdom) > Bacteroidetes (Phylum) > Flavobacteriia (Class) > Flavobacteriales (Order) > Flavobacteriaceae (Family)
 Gramella Kozur, 1971 † accepted as Grammella Kozur, 1971 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Palaeocopida (awaiting allocation) (Family)

Gramen
 Gramen Krause, 1914 accepted as Festuca Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Gramen Séguier, 1754 accepted as Secale Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Graminella
     Graminella L. Léger & M. Gauthier ex Manier, 1962 · Fungi (Kingdom) > Zygomycota (Phylum) > Kickxellomycetes (Class) > Harpellales (Order) > Legeriomycetaceae (Family)
     Graminella L. Léger & M. Gauthier, 1937 · Fungi (Kingdom) > Zygomycota (Phylum) > Kickxellomycetes (Class) > Harpellales (Order) > Legeriomycetaceae (Family)
     Graminella DeLong, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Grammatophora
     Grammatophora Ehrenberg, 1840 · Chromista (Kingdom) > Bacillariophyta (Phylum) > Bacillariophyceae (Class) > Rhabdonematales (Order) > Grammatophoraceae (Family)
     Grammatophora Stephens, 1829 accepted as Grammatophora Stephens, 1829 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Grammatophora Duméril & Bibron, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)

Grammatopteris
 Grammatopteris C.R.W.K. van Alderwerelt van Rosenburgh, 1922 accepted as Selliguea Bory de St.-Vincent, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)
     Grammatopteris B. Renault, 1891 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Zygopteridales (Order) > Psalixochlaenaceae (Family)

Grammatorcynus
     Grammatorcynus Gill, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Scombridae (Family)
 Grammatorcynus Jordan, 1919 accepted as Grammatorcynus Jordan, 1919 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Scombridae (Family)

Grammella
 Grammella Kozur, 1971 † accepted as Grammicythere Kozur, 1972 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Palaeocopida (awaiting allocation) (Family)
     Grammella Canu, 1917 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)

Grammia
     Grammia Rambur, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Grammia Kotschetkova, 1980 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Pachydomellidae (Family)

Grammica
 Grammica de Chaudoir, 1871 accepted as Lebia Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Grammica Loureiro, 1790 accepted as Cuscuta Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Convolvulaceae (Family)

Grammicus
     Grammicus Waterhouse, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Grammicus Reichenbach, 1849 accepted as Lophoceros Hemprich & Ehrenberg, 1833 (junior subjective synonym)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Bucerotidae (Family)

Grammophora
 Grammophora Gedoelst, 1916 accepted as Onchocercella Yorke & Maplestone, 1931 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Onchocercidae (Family)
     Grammophora Guenée, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Grammophorus
 Grammophorus Candèze, 1859 accepted as Grammephorus Solier in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Grammophorus Gerstaecker in Murray, 1864 accepted as Grammorus Murray in Harold, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)

Grammoptera
     Grammoptera Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Grammoptera Audinet-Serville, 1835 accepted as Grammoptera Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Grammoptera Thomson, 1864 accepted as Pidonia Mulsant, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Grammosmylus
     Grammosmylus Krueger, 1914 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Grammosmylus Panfilov in Dolin & Pritykina, 1980 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)

Grampus
     Grampus Gray, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
 Grampus Iredale & Troughton, 1933 accepted as Orcinus Fitzinger, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)

Granaria
     Granaria Held, 1837 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Chondrinidae (Family)
 Granaria Paetel, 1875 accepted as Granaria Paetel, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Arcidae (Family)

Granativora
     Granativora Bonaparte, 1853 accepted as Granativora Bonaparte, 1853 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Granativora Gray, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Granatocrinites
     Granatocrinites Troost in Wood, 1909 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Blastoidea (Class) > Spiraculata (Order) > Granatocrinidae (Family)
     Granatocrinites Troost, 1849 † accepted as Granatocrinites Troost, 1849 † (nomen nudum)· Animalia (Kingdom) > Echinodermata (Phylum) > Blastoidea (Class) > Spiraculata (Order) > Granatocrinidae (Family)

Granatum
     Granatum Saint-Lager, 1880 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)
 Granatum O. Kuntze, 1891 accepted as Xylocarpus J. König, 1784 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)

Grandeurya
 Grandeurya D.R.J. Stur, 1883 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiales (Order) > Marattiaceae (Family)
     Grandeurya R. Zeiller, 1883 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiidae (awaiting allocation) (Order) > (Family)

Grandicaputus
     Grandicaputus Yasunaga, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Grandicaputus Yao, Cai & Ren, 2006 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Rhopalidae (Family)

Grandidieria
 Grandidieria Kretzoi & Kretzoi, 2000 † accepted as Archaeolemur Filhol, 1895 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Archaeolemuridae (Family)
     Grandidieria Bourguignat, 1885 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Unionidae (Family)

Grandiella
 Grandiella Lombardini, 1939 accepted as Grandiellina Fain, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Canestriniidae (Family)
     Grandiella Williams, 1928 accepted as Grandiella Williams, 1928 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Grandifavia
     Grandifavia Babaev, 1964 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)
     Grandifavia Babayev in Babayev & Papoyan, 1988 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)

Grandjeanella
     Grandjeanella Southcott, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Erythraeidae (Family)
 Grandjeanella Balogh, 1961 accepted as Grandjeania Balogh, 1963 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oribatulidae (Family)

Grangeria
     Grangeria Zdansky, 1930 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Perissodactyla (Order) > Eomoropidae (Family)
     Grangeria Commerson ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Chrysobalanaceae (Family)

Grania
     Grania Southern, 1913 · Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Haplotaxida (Order) > Enchytraeidae (Family)
     Grania (Rosenvinge) Kylin, 1944 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Acrochaetiales (Order) > Acrochaetiaceae (Family)

Graniger
     Graniger Motschoulsky, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Graniger Chaudoir, 1876 accepted as Cymbionotum Baudi, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Grantia
     Grantia W. Griffith in J.O. Voigt, 1845 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
     Grantia Nardo, 1833 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
     Grantia Fleming, 1828 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Sycettida (Order) > Grantiidae (Family)
 Grantia Boissier, 1846 accepted as Iphiona Cassini, 1817 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Granularia
     Granularia P.A. Saccardo & J.B. Ellis ex P.A. Saccardo, 1882 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Granularia Kowalski, 1983 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)
     Granularia Roth, 1791 accepted as Granularia Roth, 1791 (nomen dubium)· Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
 Granularia Pomel, 1849 † accepted as · Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Granularia Poletaeva in Lermontova, 1951 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > (Class) > Trilobitomorpha (awaiting allocation) (Order) > Trilobitomorpha (awaiting allocation) (Family)
 Granularia J. Sowerby, 1815 accepted as Urocystis Rabenhorst ex Fuckel, 1870 · Fungi (Kingdom) > Basidiomycota (Phylum) > Ustilaginomycetes (Class) > Urocystidiales (Order) > Urocystidaceae (Family)

Granulasida
     Granulasida Escalera, 1922 accepted as Asida Latreille, 1802 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Granulasida Escalera, 1907 accepted as Granulasida Escalera, 1922 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Granulatagnostus
 Granulatagnostus Kolobova, 1981 † accepted as Corrugatagnostus Kobayashi, 1939 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Agnostida (Order) > Geragnostidae (Family)
     Granulatagnostus in Abdulin † accepted as Corrugatagnostus Kobayashi, 1939 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Agnostida (Order) > Geragnostidae (Family)

Granulina
     Granulina Velenovský, 1947 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricomycetes incertae sedis (Order) > Agaricomycetes incertae sedis (Family)
     Granulina Jousseaume, 1888 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Marginellidae (Family)
 Granulina Leleshus, 1975 † accepted as Leleshusia Doweld, 2015 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Proporida (Order) > Proporidae (Family)

Granulites
     Granulites Nemkov, 1967 † accepted as Nummulites Lamarck, 1801 (junior subjective synonym)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Nummulitidae (Family)
     Granulites Rafinesque, 1831 (uncertain)· Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)

Granulocystis
 Granulocystis K. Hjortstam, 1986 accepted as Odonticium E. Parmasto, 1968 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricomycetes incertae sedis (Order) > Agaricomycetes incertae sedis (Family)
     Granulocystis F. Hindák, 1977 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Chlorellales (Order) > Oocystaceae (Family)

Granulopaussus
 Granulopaussus Kolbe, 1933 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Granulopaussus Luna de Carvalho, 1989 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Granulosocrinus
     Granulosocrinus Stukalina, 1986 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)
     Granulosocrinus Rozhnov, 1981 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)

Graphephorum
 Graphephorum M. Honda, 1934 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Graphephorum Desvaux, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Graphidium
 Graphidium Lindau, 1909 accepted as Paecilomyces Bainier, 1907 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Eurotiales (Order) > Aspergillaceae (Family)
     Graphidium Railliet & Henry, 1909 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Haemonchidae (Family)

Graphidula
 Graphidula Stephenson, 1941 † accepted as Exilia Conrad, 1860 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Ptychatractidae (Family)
 Graphidula Norman, 1853 accepted as Verrucaria H.A. Schrader, 1794 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariaceae (Family)

Graphidurus
 Graphidurus Wallace, 1876 accepted as Graphiurus Smuts, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
 Graphidurus Brandt, 1855 accepted as Graphiurus Smuts, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Graphidurus Agassiz, 1846 accepted as Graphisurus Kirby, 1837 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Graphidurus Gemminger & Harold, 1873 accepted as Graphidurus Agassiz, 1846 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Graphiopsis
 Graphiopsis J. Trail, 1889 accepted as Cladosporium Link, 1816 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Capnodiales (Order) > Davidiellaceae (Family)
 Graphiopsis Bainier, 1907 accepted as Phaeoisaria F. von Höhnel, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Graphiptera
 Graphiptera Hope, 1838 accepted as Graphipterus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Graphiptera Tournier, 1889 accepted as Arthrostenus Schönherr, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Graphis
     Graphis Adanson, 1763 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Graphis Jeffreys, 1867 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Cimidae (Family)

Graphisurus
     Graphisurus Kirby, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Graphisurus Horn, 1880 accepted as Graphisurus Kirby, 1837 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Graphisurus Casey, 1913 accepted as Graphisurus Kirby, 1837 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Graphium
     Graphium Corda, 1837 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Microascales (Order) > Microascaceae (Family)
     Graphium Scopoli, 1777 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Papilionidae (Family)

Graphiurus
     Graphiurus Smuts, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Graphiurus Cuvier in Geoffroy & Cuvier, 1829 accepted as Graphiurus Smuts, 1832 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
 Graphiurus Kner, 1866 † accepted as Graphiurichthys White & Moy-Thomas, 1937 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Coelacanthiformes (Order) > Coelacanthidae (Family)

Graphonotus
 Graphonotus Chevrolat, 1881 accepted as Coelosternulum Heller, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Graphonotus Agassiz, 1846 accepted as Graphinotus Koch, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Graphorhinus
     Graphorhinus Say, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Graphorhinus Schoenherr, 1833 accepted as Graphorhinus Say, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Graptoblastoides
     Graptoblastoides Kozlowski, 1948 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptolithina (awaiting allocation) (Order) > Graptolithina (awaiting allocation) (Family)
     Graptoblastoides Kozlowski, 1938 † accepted as Graptoblastoides Kozlowski, 1938 † (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Graptoblastus
     Graptoblastus Kozlowski, 1938 accepted as Graptoblastus Kozlowski, 1938 (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Graptoblastus Kozlowski, 1948 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptolithina (awaiting allocation) (Order) > Graptolithina (awaiting allocation) (Family)

Graptocamara
     Graptocamara Kozlowski, 1948 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Camaroidea (Order) > Camaroidea (awaiting allocation) (Family)
     Graptocamara Kozlowski, 1938 † accepted as Graptocamara Kozlowski, 1938 † (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Graptodera
 Graptodera Mannerheim, 1843 accepted as Graptodera Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Graptodera Chevrolat in Dejean, 1836 accepted as Altica Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Graptopora
     Graptopora Ulrich, 1882 accepted as Graptopora Ulrich, 1882 (nomen nudum)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
 Graptopora Lang, 1916 † accepted as Graptoporella Bassler in Moore, 1953 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)
     Graptopora Salter, 1858 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Graptotheca
     Graptotheca Bigsby, 1868 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Graptotheca Salter, 1873 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Graptoveria
 Graptoveria G.D. Rowley, 1958 accepted as Graptoveria P. Gossot ex J. Marnier-Lapostolle, 1949 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)
     Graptoveria P. Gossot ex J. Marnier-Lapostolle, 1949 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)

Graptovermis
     Graptovermis Kozlowski, 1938 † accepted as Graptovermis Kozlowski, 1938 † (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Graptovermis Kozlowski, 1949 † · Animalia (Kingdom) > Hemichordata (Phylum) > Pterobranchia (Class) > Rhabdopleurida (Order) > Rhabdopleurida (awaiting allocation) (Family)

Grassator
     Grassator Ruckes, 1965 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
     Grassator Kazantseva, 1968 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Actinopterygii (awaiting allocation) (Order) > Actinopterygii (awaiting allocation) (Family)
     Grassator De Santis, 1948 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Grassia
     Grassia Theobald, 1902 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
     Grassia Fisch, 1885 (uncertain)· Protozoa (Kingdom) > Protozoa incertae sedis (Phylum) > (Class) > (Order) > (Family)

Grateloupia
     Grateloupia C.A. Agardh, 1822 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Halymeniales (Order) > Halymeniaceae (Family)
     Grateloupia [anonymous], 1830 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Grateloupia Bonnemaison, 1822 accepted as Gaillona Bonnemaison, 1828 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Callithamniaceae (Family)

Graucalus
     Graucalus Cuvier, 1817 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Campephagidae (Family)
     Graucalus G.R. Gray, 1841 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Graueria
     Graueria Curran, 1935 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Graueria Hartert, 1908 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)

Gravenhorstia
     Gravenhorstia Robineau-Desvoidy, 1863 accepted as Admontia Brauer & Bergenstamm, 1889 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Gravenhorstia C.G.D. Nees in J. Lindley, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Bruniales (Order) > Bruniaceae (Family)
     Gravenhorstia Boie, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Gravesia
     Gravesia Salfeld, 1913 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
     Gravesia Naudin, 1851 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Graya
 Graya Arnott ex Steudel, 1854 accepted as Sphaerocaryum C.G.D. Nees ex J.D. Hooker, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Graya Spence Bate, 1862 accepted as Graya Spence Bate, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Graya accepted as Grayia Günther, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Graya Houlbert, 1918 accepted as Yagra Oiticica Filho, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Castniidae (Family)
     Graya Bonaparte, 1856 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Graya Buchecker, ? 1880 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Grayella
 Grayella Carter, 1869 accepted as Crella Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Crellidae (Family)
 Grayella Doflein, 1929 accepted as Grayallia Setna, 1927 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Monocystidae (Family)

Grayia
     Grayia Günther, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
     Grayia W.J. Hooker & Arnott, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Grayia E. Grove & J. Brun in A. Schmidt, 1892 † accepted as · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)
     Grayia Spence Bate, 1862 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Graysonia
     Graysonia Butts, 1926 † (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Graysonia Stephenson, 1952 † accepted as (nomen dubium)· Animalia (Kingdom) > Trace fossils (Phylum) > (Class) > (Order) > (Family)

Greenia
     Greenia Kirby, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Diapheromeridae (Family)
     Greenia S. Wallman, 1791 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Greenia Oudemans, 1901 accepted as Dinogamasus Kramer, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
 Greenia Hoeppli & Chu, 1932 accepted as Rogerus Hoeppli & Chu, 1934 · Animalia (Kingdom) > Nematoda (Phylum) > Enoplea (Class) > Ironida (Order) > Rhabdolaimidae (Family)
 Greenia Nuttall, 1835 accepted as Limnodea L.H. Dewey in J.M. Coulter, 1894 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Greeniella
     Greeniella Macgillivray, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Diaspididae (Family)
 Greeniella Berlese, 1910 accepted as Jacobsonia Berlese, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
 Greeniella Banks, 1904 accepted as Dinogamasus Kramer, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
     Greeniella Cockerell, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Greeniella David, 1993 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aleyrodidae (Family)

Greenoripersia
     Greenoripersia Bodenheimer, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Greenoripersia Bodenheimer, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)

Greggia
 Greggia A. Gray, 1852 accepted as Nerisyrenia E.L. Greene, 1900 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Greggia Engelmann in Wislizenus, 1848 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Greggia Solander ex J. Gaertner, 1788 accepted as Eugenia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Gregoria
     Gregoria Gosse, 1860 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Sagartiidae (Family)
 Gregoria Duby, 1828 accepted as Androsace Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Primulaceae (Family)

Greniera
 Greniera J. Gay, 1845 accepted as Minuartia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)
     Greniera Doby & David, 1959 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Simuliidae (Family)

Gressittella
     Gressittella Evans, 1972 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Gressittella Medvedev, 2009 accepted as Medvedevittella Deng & Xing, 2024 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gressittomyia
     Gressittomyia Alexander, 1936 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)
     Gressittomyia Kano & Lopes, 1985 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)

Grevillea
     Grevillea R. Brown ex J. Knight, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Grevillea Beck & Emmons, 1826 accepted as Grevillea Beck & Emmons, 1826 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Timmiaceae (Family)

Grevillia
 Grevillia R. Brown ex J. Knight, 1809 accepted as Grevillia R. Brown ex J. Knight, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
     Grevillia Bordoni, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Grewiopsis
     Grewiopsis G. Saporta, 1865 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Grewiopsis E. De Wildeman & T. Durand, 1899 accepted as Desplatsia Bocquillon, 1866 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Grewioxylon
 Grewioxylon Shallom, 1963 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Grewioxylon J. Schuster, 1910 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Griesbachites
     Griesbachites Mojsisovics, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
     Griesbachites Mojsisovics, 1896 † accepted as Griesbachites Mojsisovics, 1897 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)

Griffinia
     Griffinia Ker-Gawler, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
     Griffinia Richer de Forges, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)

Griffithia
 Griffithia R. Wight & Arnott, 1834 accepted as Benkara Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Griffithia Maingay ex G. King, 1893 accepted as Enicosanthum Beccari, 1871 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliales (Order) > Annonaceae (Family)
     Griffithia Lea, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Griffithia J.M. Black, 1913 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Griffonia
 Griffonia J.D. Hooker in Bentham & J.D. Hooker, 1865 accepted as Acioa Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Chrysobalanaceae (Family)
     Griffonia Baillon, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Grimaldia
 Grimaldia Raddi, 1818 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Marchantiales (Order) > Aytoniaceae (Family)
 Grimaldia Chapman, 1942 accepted as Opisthoproctus Vaillant, 1888 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Argentiniformes (Order) > Opisthoproctidae (Family)
 Grimaldia Chevreux, 1899 accepted as Seba Bate, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Sebidae (Family)
 Grimaldia Schrank, 1805 accepted as Chamaecrista Moench, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Grimaldiella
 Grimaldiella Bouvier, 1905 accepted as Funchalia Johnson, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Penaeidae (Family)
     Grimaldiella Lehrer, 2002 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Grimaldiella Koteja, 2000 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Grimmia
     Grimmia J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Grimmiales (Order) > Grimmiaceae (Family)
 Grimmia Laurillard, 1841 accepted as Sylvicapra Ogilby, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Grinnellia
     Grinnellia Harvey, 1853 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Delesseriaceae (Family)
     Grinnellia Christiansen & Nascimbene, 2006 † · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Symphypleona (Order) > Mackenziellidae (Family)

Griphomyia
 Griphomyia Grootaert & Meuffels, 1997 accepted as Griphophanes Grootaert & Meuffels, 1998 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)
     Griphomyia Hardy, 1987 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Gripus
 Gripus Gistl, 1848 accepted as Gripus Gistl, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Gripus Rathbun, 1925 accepted as Batrachonotus Stimpson, 1871 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Inachoididae (Family)
 Gripus Gistl, 1834 accepted as Athous Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Grisebachia
 Grisebachia Drude & H. Wendland, 1875 accepted as Howea Beccari, 1877 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
 Grisebachia Klotzsch, 1838 accepted as Erica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)

Griselinia
     Griselinia J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Griseliniaceae (Family)
 Griselinia Scopoli, 1777 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Griseocereus
 Griseocereus A. Guiggi, 2012 accepted as Stenocereus (A. Berger) Riccobono, 1909 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
 Griseocereus P.V. Heath, 1998 accepted as Stenocereus (A. Berger) Riccobono, 1909 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Grislea
 Grislea P. Loefling, 1758 accepted as Pehria Sprague, 1923 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)
 Grislea Linnaeus, 1753 accepted as Combretum Loefling, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Combretaceae (Family)

Grisonia
 Grisonia Gray, 1825 accepted as Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Grisonia Kéler, 1938 accepted as Trichodectes Nitzsch, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Trichodectidae (Family)

Grobbenia
 Grobbenia Poche, 1903 accepted as Mehelya Csiki, 1903 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Grobbenia Holdhaus, 1903 accepted as Atomaria Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cryptophagidae (Family)

Gromovia
     Gromovia Erbajeva, Alexeeva & Khenzykhenova, 2003 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Rodentia (awaiting allocation) (Family)
     Gromovia Regel, 1865 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gromphas
     Gromphas Dejean, 1833 accepted as Gromphas Brullé, 1838 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gromphas Brullé, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gronovia
     Gronovia Leach, 1814 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Gronovia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Loasaceae (Family)
 Gronovia Blanco, 1837 accepted as Illigera Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Hernandiaceae (Family)

Grossia
 Grossia Womersley, 1954 accepted as Chyzeria Canestrini, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Chyzeriidae (Family)
     Grossia Alberti, 1960 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Grossularia
     Grossularia Granzow, 1989 † (uncertain)· Animalia (Kingdom) > Animalia incertae sedis (Phylum) > (Class) > (Order) > (Family)
 Grossularia P. Miller, 1754 accepted as Ribes Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Grossulariaceae (Family)
 Grossularia Adanson, 1763 accepted as Ribes Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Grossulariaceae (Family)

Grotea
     Grotea Theobald, 1868 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Grotea Moore, 1866 accepted as Sebastia Kirby, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Grotea Möschler, 1876 accepted as Podosesia Möschler, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sesiidae (Family)
     Grotea Cresson, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Grotea H. Wang, J. Blanchard & D.L. Dilcher, 2013 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)

Groutia
     Groutia J.B.A. Guillemin & Perrottet in J.B.A. Guillemin, Perrottet & A. Richard, 1831 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Opiliaceae (Family)
 Groutia V.F. Brotherus in Engler & Prantl, 1905 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Cryphaeaceae (Family)

Grouvelleus
 Grouvelleus Zaitzev, 1908 accepted as Grouvellinus Champion, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elmidae (Family)
     Grouvelleus Guillebeau, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Phalacridae (Family)

Grovesia
     Grovesia R.W.G. Dennis, 1960 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiaceae (Family)
     Grovesia Dolin & Ledon, 2002 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Eocypraeidae (Family)

Grovesiella
 Grovesiella B. Eriksson, 1971 accepted as Erikssonopsis M. Morelet, 1971 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiaceae (Family)
     Grovesiella M. Morelet, 1969 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiaceae (Family)

Grubea
     Grubea Diesing, 1858 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Mazocraeidea (Order) > Mazocraeidae (Family)
 Grubea Quatrefages, 1865 accepted as Salvatoria McIntosh, 1885 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Syllidae (Family)

Grumia
 Grumia Della Bruna, Gallo, Lucarelli & Sbordoni, 2000 accepted as Eugrumia Della Bruno, Gallo, Lucarelli & Sbordoni, 2000 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Grumia Oppenheim, 1899 † accepted as Grumiphyllia Wells, 1937 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Faviidae (Family)
     Grumia Alphéraky, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Grumia Bozano, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Grus
     Grus Pallas, 1766 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Gruidae (Family)
 Grus Möhring, 1758 accepted as Grus Pallas, 1766 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Gruidae (Family)

Gruvelia
     Gruvelia Alph. de Candolle, 1846 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
     Gruvelia Risbec, 1928 accepted as Gruvelia Risbec, 1928 (nomen dubium)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Discodorididae (Family)

Gryllivora
     Gryllivora Swainson, 1831 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gryllivora Swainson, 1830 accepted as Gryllivora Swainson, 1830 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gryllomorphus
 Gryllomorphus Saussure, 1876-77 accepted as Gryllomorpha Fieber, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Gryllidae (Family)
 Gryllomorphus Amyot, 1847 accepted as Gryllomorphus Amyot, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Grymaea
 Grymaea Malmgren, 1867 accepted as Streblosoma Sars, 1872 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)
     Grymaea Fresenius, 1858 (uncertain)· Protozoa (Kingdom) > Metamonada (Phylum) > Eopharyngea (Class) > Diplomonadida (Order) > Hexamitidae (Family)

Gryphorhynchus
     Gryphorhynchus Meek, 1864 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gryphorhynchus Fuhrmann in Kükenthal & Krumbach, 1931 accepted as Gryporhynchus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Gryporhynchidae (Family)
 Gryphorhynchus Morimoto, 1961 accepted as Morimotozo Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gryphus
 Gryphus Gray, 1847 accepted as Chama Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Chamidae (Family)
 Gryphus Oken, 1816 accepted as Gryphus Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gryphus Megerle von Mühlfeld, 1811 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Terebratulidae (Family)
     Gryphus Schubert in Krueger', 1823 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Gryphus Wagler, 1830 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Gryphus Berthold in Latreille, 1827 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Gryphus Samouelle, 1819 accepted as Grypus Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Gryporhynchus
 Gryporhynchus Redtenbacher, 1891 accepted as Gryporhynchium Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gryporhynchus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Gryporhynchidae (Family)
 Gryporhynchus Roelofs, 1875 accepted as Morimotozo Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gryporrhynchus
 Gryporrhynchus Roelofs, 1875 accepted as Morimotozo Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gryporrhynchus Creplin in Ersch & Gruber, 1839 accepted as Gryporhynchus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Gryporhynchidae (Family)

Grypotes
     Grypotes Fieber, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Grypotes Dyar, 1917 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Grypus
     Grypus Spix, 1824 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Grypus Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Grypus Spix & Martius, 1823 accepted as Grypus Spix & Martius, 1823 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Guaiqueria
 Guaiqueria Margalef, 1961 accepted as Eucypris Vávra, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Cyprididae (Family)
 Guaiqueria Velásquez & Nasir, 1973 accepted as · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Lepocreadiidae (Family)

Gualteria
     Gualteria Lutz, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Gualteria Agassiz, 1872 † accepted as Gualtieria Desor in Agassiz & Desor, 1847 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Loveniidae (Family)

Guamia
     Guamia Baker, 1938 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Guamia Merrill, 1915 accepted as Meiogyne Miquel, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliales (Order) > Annonaceae (Family)

Guandira
     Guandira Gray, 1843 accepted as Phylloderma Peters, 1865 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Phyllostomidae (Family)
 Guandira Gray, 1866 accepted as Phylloderma Peters, 1865 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Phyllostomidae (Family)

Guangdongella
     Guangdongella Zhang, 1986 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Bradoriida (Order) > Bradoriida (awaiting allocation) (Family)
     Guangdongella Li & Li in Zhang, Lu, Zhu, Qian, Lin, Zhou, Zhang & Yuan, 1977 † accepted as Guangdongella Li & Li in Zhang, Lu, Zhu, Qian, Lin, Zhou, Zhang & Yuan, 1977 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Guangxiconcha
     Guangxiconcha Zhang, 1977 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Guangxiconcha Yao & Yu, 1986 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Guanus
     Guanus Gray, 1840 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Guanus Fischer, 1808 accepted as Guanus Fischer, 1808 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Guaperva
 Guaperva Plumier in Lacepède, 1802 accepted as Guaperva Plumier in Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Guaperva Sonnerat, 1774 accepted as Balistoides Fraser-Brunner, 1935 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Balistidae (Family)

Guara
     Guara Rindge, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Guara Reichenbach, 1852 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Threskiornithidae (Family)

Guarania
     Guarania Carvalho & China, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Guarania Nast, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Guarania Weddell ex Baillon, 1858 accepted as Richeria M. Vahl, 1797 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Guartonichea
     Guartonichea J.M.H. Shaw, 2008 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Guartonichea J.M.H. Shaw, 2008, nom. inval. accepted as Guartonichea J.M.H. Shaw, 2008 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Guayania
     Guayania González-Sponga, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Zalmoxidae (Family)
     Guayania R.M. King & H.E. Robinson, 1971 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gubkinella
     Gubkinella Suleymanov, 1955 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Chilostomellidae (Family)
     Gubkinella Kuznetzova, 1956 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Gubleria
 Gubleria Gaudichaud-Beaupré, 1851 accepted as Nolana Linnaeus f., 1762 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
     Gubleria Termier & Termier, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Lyttoniidae (Family)

Gublerina
 Gublerina Minato & Honjo, 1959 † accepted as Yabeina Deprat, 1914 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Neoschwagerinidae (Family)
     Gublerina Kikoíne, 1948 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Globigerinida (Order) > Heterohelicidae (Family)

Guembelia
     Guembelia Prever, 1902 † (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Guembelia Hampe in Müller Hal., 1846 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Grimmiales (Order) > Grimmiaceae (Family)

Guembelites
 Guembelites Bensh, 1987 † accepted as Praeskinnerella Bensh, 1991 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Fusulinidae (Family)
     Guembelites Mojsisovics, 1896 † accepted as Guembelites Mojsisovics, 1897 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
     Guembelites Mojsisovics, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)

Guenea
     Guenea Bruand, 1850 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)
     Guenea Millière, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)

Guenthera
 Guenthera Andrzeiowski ex Besser, 1822 accepted as Brassica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Guenthera E. Regel, 1857 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Guentheria
     Guentheria Lallemand, 1963 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Fulgoridae (Family)
 Guentheria Bleeker, 1862 accepted as Halichoeres Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)
 Guentheria L.C. Treviranus ex Leman in F. Cuvier, 1821 accepted as Corsinia Raddi, 1818 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Marchantiales (Order) > Corsiniaceae (Family)
 Guentheria K.P.J. Sprengel, 1826 accepted as Gaillardia Fougeroux, 1786 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Guentheria Miranda-Ribeiro, 1926 accepted as Dendropsophus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hylidae (Family)

Guepinia
     Guepinia E.M. Fries, 1825 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Auriculariales (Order) > Auriculariales incertae sedis (Family)
 Guepinia Hepp, 1864 accepted as Heppia Nägeli in Hepp, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lichinomycetes (Class) > Lichinales (Order) > Lichinaceae (Family)
     Guepinia Bastard, 1812 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Guerangeria
     Guerangeria Cossmann, 1885 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Acmaeidae (Family)
     Guerangeria Oehlert, 1881 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Modiomorphoida (Order) > Modiomorphoida (awaiting allocation) (Family)

Guerinia
 Guerinia Costa, 1853 accepted as Trischizostoma Boeck, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Trischizostomatidae (Family)
 Guerinia J. Smith, 1875 accepted as Lindsaea Dryander ex Smith, 1793 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Lindsaeaceae (Family)
     Guerinia Robineau-Desvoidy, 1830 accepted as Guerinia Robineau-Desvoidy, 1830 (nomen dubium)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Guerinia Macquart, 1835 accepted as Guerinia Macquart, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Guerinia Targioni-Tozzetti, 1868 accepted as Gueriniella Fernald, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Margarodidae (Family)

Guernea
 Guernea Thomson, 1895 accepted as Guernella Giesbrecht in Giesbrecht & Schmeil, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)
     Guernea Chevreux, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Dexaminidae (Family)

Guernella
     Guernella Giesbrecht in Giesbrecht & Schmeil, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)
     Guernella Richard, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Macrothricidae (Family)

Guestia
     Guestia G.J.D. Smith & K.D. Hyde, 2001 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Xylariaceae (Family)
     Guestia Meyrick, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)

Guetera
     Guetera Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Teredinidae (Family)
     Guetera Gray, 1840 accepted as Guetera Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Guggenheimia
 Guggenheimia Bravo-Hollis & Manter, 1957 accepted as Haroldmanteria Caballero in Caballero & Bravo-Hollis, 1969 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Lepocreadioidea incertae sedis (Family)
     Guggenheimia Couto, 1952 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Didelphimorphia (Order) > Protodidelphidae (Family)
     Guggenheimia Monros, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Guiaphaenops
     Guiaphaenops Ueno, 1987 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Guiaphaenops Deuve, 2002 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Guichenotia
     Guichenotia Whitley, 1950 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Kyphosidae (Family)
     Guichenotia J. Gay, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Guidonia
 Guidonia (A.P. de Candolle) Grisebach, 1859 accepted as Samyda N.J. Jacquin, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)
 Guidonia P. Miller, 1754 accepted as Samyda N.J. Jacquin, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)
     Guidonia Stefani, 1880 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Archaeogastropoda (Order) > Archaeogastropoda (awaiting allocation) (Family)
 Guidonia P. Browne, 1756 accepted as Laetia Loefling ex Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)

Guildingia
     Guildingia Carpenter, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Chitonida (Order) > Mopaliidae (Family)
     Guildingia Dall, 1882 accepted as Guildingia Dall, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Guildingia Pilsbry, 1893 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Guildingia W.J. Hooker, 1829 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Guilielmia
 Guilielmia Scherer, 1961 accepted as Guilelmia Weise, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Guilielmia [misspelling] accepted as Guilelmia Weise, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Guillainia
     Guillainia Bourguignat, 1885 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Guillainia Vieillard, 1866 accepted as Alpinia Roxburgh, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)
     Guillainia Crosse, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)

Guilliermondia
     Guilliermondia Boudier, 1904 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariales (Order) > Sordariales incertae sedis (Family)
 Guilliermondia Nadson & Konokotine, 1911 accepted as Nadsonia H. Sydow, 1912 · Fungi (Kingdom) > Ascomycota (Phylum) > Saccharomycetes (Class) > Saccharomycetales (Order) > Saccharomycetales incertae sedis (Family)

Guinea
     Guinea Koçak & Kemal, 2008 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
     Guinea Hedges, Adalsteinsson & Branch, 2009 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Leptotyphlopidae (Family)

Guizhoudiscus
     Guizhoudiscus Zhang in Zhang, Lu, Zhu, Qian, Lin, Zhou, Zhang & Yuan, 1980 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Guizhoudiscus Zhang, 1978 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Guizhouella
     Guizhouella Liu in Liu, Yin, Wang, Luo & Wang, 2003 † accepted as Asialepidotus Su, 1959 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Panxianichthyformes (Order) > Panxianichthyidae (Family)
     Guizhouella Yang, 1978 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Gigantoproductidae (Family)
     Guizhouella Shu, 1990 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Bradoriida (Order) > Bradoriida (awaiting allocation) (Family)

Gulielmites
     Gulielmites Buckman, 1923 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Kosmoceratidae (Family)
 Gulielmites Quenstedt, 1867 † accepted as · Questionable / non-biota (fossil) (Kingdom) > Pseudofossils (Phylum) > (Class) > (Order) > (Family)

Gulliveria
     Gulliveria D'Abrera & Bálint in D'Abrera, 2001 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
 Gulliveria Castelnau, 1878 accepted as Glossamia Gill, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Apogonidae (Family)

Gulo
 Gulo Desmarest, 1820 accepted as Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Gulo Pallas, 1780 accepted as Gulo Pallas, 1780 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)

Gümbelites
     Gümbelites Mojsisovics, 1896 † accepted as Guembelites Mojsisovics, 1897 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
 Gümbelites Mojsisovics, 1897 † accepted as Guembelites Mojsisovics, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)

Gumina
     Gumina Finlay, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)
 Gumina Bowerbank, 1874 accepted as Gumina Bowerbank, 1874 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Chondrillida (Order) > Chondrillidae (Family)

Gunda
 Gunda Schmidt, 1862 accepted as Procerodes Girard, 1850 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Procerodidae (Family)
     Gunda Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Bombycidae (Family)

Gundlachia
     Gundlachia L. Pfeiffer, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Planorbidae (Family)
     Gundlachia Herrich-Schäffer, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gundlachia Cresson, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gundlachia A. Gray, 1880 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gunentophorus
     Gunentophorus Costa, 1843 accepted as Sphaeronotus Claus, 1864 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Notodelphyidae (Family)
 Gunentophorus Kerschner, 1879 accepted as Sphaeronotus Claus, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Notodelphyidae (Family)

Gunnarella
     Gunnarella Spjeldnaes, 1957 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Strophomenidae (Family)
     Gunnarella K. Senghas, 1988 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gunneropsis
     Gunneropsis Oersted, 1857 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gunnerales (Order) > Gunneraceae (Family)
 Gunneropsis † accepted as Gunnaropsis Spjeldnaes, 1963 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Podocopida (awaiting allocation) (Family)

Gunnia
     Gunnia Gatehouse, 1968 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariidae (Family)
 Gunnia Lindley, 1834 accepted as Sarcochilus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gunnia F. von Mueller, 1858 accepted as Gunniopsis Pax in Engler & Prantl, 1889 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)

Guntheria
 Guntheria Miranda-Ribeiro, 1926 accepted as Dendropsophus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hylidae (Family)
     Guntheria Womersley, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Trombiculidae (Family)
 Guntheria Bleeker, 1862 accepted as Guentheria Bleeker, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)

Güntheria
 Güntheria Miranda-Ribeiro, 1926 accepted as Dendropsophus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hylidae (Family)
 Güntheria Bleeker, 1862 accepted as Halichoeres Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)

Guppya
     Guppya Mörch, 1867 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicarionidae (Family)
     Guppya Tate, 1870 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicarionidae (Family)

Gurltia
 Gurltia Klotzsch, 1854 accepted as Begonia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cucurbitales (Order) > Begoniaceae (Family)
     Gurltia Wolffhügel, 1933 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Metastrongylidae (Family)

Gurneya
     Gurneya Roth, 1974 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)
     Gurneya Brtek, 1996 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Anostraca (Order) > Anostraca (awaiting allocation) (Family)

Gussonea
 Gussonea Parlatore, 1838 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Gussonea J.S. Presl & K.B. Presl in K.B. Presl, 1828 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
 Gussonea Monterosato, 1912 accepted as Nassarius Duméril, 1805 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)
 Gussonea Tornabene, 1848-1849(?) accepted as Pleopsidium Körber, 1855 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Acarosporales (Order) > Acarosporaceae (Family)
 Gussonea A. Richard, 1828 accepted as Solenangis Schlechter, 1918 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gustavia
     Gustavia Kramer, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Gustaviidae (Family)
     Gustavia Linnaeus, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Lecythidaceae (Family)

Gutenbergia
     Gutenbergia C.H. Schultz-Bipontinus, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gutenbergia W.G. Walpers, 1848 accepted as Morinda Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gutierrezia
     Gutierrezia Lagasca, 1816 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gutierrezia Mateu, 1955 accepted as Mimodromius Chaudoir, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Guttula
     Guttula Schepman, 1908 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Seguenziidae (Family)
     Guttula Skvortzov & Noda, 1969 (uncertain)· Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > Gomesiamonadaceae (Family)
 Guttula Dodekova, 1983 † accepted as Dodekovaea E.A. Molinari-Novoa & M.D. Guiry, 2021 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > (Family)

Guttulina
 Guttulina L. Cienkowski in A. Batalin, 1874 accepted as Pocheina A.R. Loeblich & Tappan, 1961 · Chromista (Kingdom) > Cercozoa (Phylum) > (Class) > (Order) > Guttulinopsidae (Family)
     Guttulina d'Orbigny in Sagra, 1839 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Polymorphinidae (Family)

Guyona
     Guyona Surcouf, 1921 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tabanidae (Family)
 Guyona Risbec, 1928 accepted as Guyona Risbec, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Dorididae (Family)

Guyonia
     Guyonia Naudin, 1850 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Guyonia Risbec, 1928 accepted as Doris Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Dorididae (Family)

Guzlandsia
     Guzlandsia Anonymous, 1979 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)
     Guzlandsia E.J. Gouda, 2020 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)

Gwynia
 Gwynia Pourtalès, 1874 accepted as Guynia Duncan, 1873 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Guyniidae (Family)
     Gwynia King, 1859 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > (Family)

Gyalecta
 Gyalecta A. Eaton, 1829 accepted as Diploschistes Norman, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Thelotremataceae (Family)
     Gyalecta Acharius, 1808 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Gyalectaceae (Family)

Gyaloplasma
     Gyaloplasma Zhavoronkova in Tyazheva, 1986 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)
     Gyaloplasma Zhavoronkova in Tyazheva, Zhavoronkova & Garifullina, 1976 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)

Gyas
 Gyas R.A. Salisbury, 1812 accepted as Bletia Ruiz & Pavón, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Gyas Simon, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)

Gyioperus
 Gyioperus Agassiz, 1846 accepted as Guioperus Perty, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gyioperus Gemminger & Harold, 1871 accepted as Guioperus Perty, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gyliauchen
     Gyliauchen Nicoll, 1915 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Gyliauchenidae (Family)
 Gyliauchen Pilsbry in Pilsbry & Tryon, 1917 accepted as Gyliotrachela Tomlin, 1930 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Vertiginidae (Family)

Gymnacanthus
     Gymnacanthus Benoit, 1952 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Gymnacanthus accepted as Gymnocanthus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Cottidae (Family)
 Gymnacanthus Oersted, 1854 accepted as Ruellia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Gymnacanthus C.G.D. Nees in J. Lindley, 1836 accepted as Ruellia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gymnagathis
 Gymnagathis J.C. Schauer, 1843 accepted as Melaleuca Linnaeus, 1767 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Gymnagathis Stapf, 1892 accepted as Fordiophyton Stapf, 1892 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Gymnasio
     Gymnasio Bonaparte, 1854, nom. nud. accepted as Megascops Kaup, 1848 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)
 Gymnasio Bonaparte, 1854 accepted as Megascops Kaup, 1848 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)

Gymnaster
 Gymnaster Kitamura, 1937 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gymnaster Schütt, 1891 accepted as · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Actiniscaceae (Family)

Gymnauletes
     Gymnauletes Voss, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Gymnauletes Legalov, 2001 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Attelabidae (Family)

Gymnetis
 Gymnetis sensu Schürhoff, 1937 accepted as Gymnetosoma Martinez, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnetis Macleay, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gymnia
     Gymnia Brullé in Lepeletier, 1846 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gymnia Spinola, 1853 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gymnobaris
 Gymnobaris Champion, 1909 accepted as Eugymnobaris Hustache, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gymnobaris Lea, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gymnocactus
 Gymnocactus Backeberg, 1938 accepted as Turbinicarpus F. Buxbaum & Backeberg, 1937 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
 Gymnocactus V. John & J. Ríha, 1981 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Gymnocaulus
 Gymnocaulus R.A. Philippi, 1858 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Calyceraceae (Family)
     Gymnocaulus Emmons, 1856 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridophyta/Pteridospermophyta (unclassified foliage) (Class) > Pteridophyta/Pteridospermophyta (awaiting allocation) (Order) > Pteridophytes/Pteridosperms (awaiting allocation) (Family)

Gymnocephala
     Gymnocephala Diesing, 1858 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Gymnocephala Leidy, 1877 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
 Gymnocephala LeMaout, 1853 accepted as Perissocephalus Oberholser, 1899 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)

Gymnocephalus
 Gymnocephalus Geoffroy, 1809 accepted as Perissocephalus Oberholser, 1899 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
     Gymnocephalus Bloch, 1793 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Percidae (Family)
 Gymnocephalus Schwägrichen, 1816 accepted as Gymnocephalus Schwägrichen, 1816 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Rhizogoniales (Order) > Aulacomniaceae (Family)
 Gymnocephalus Cocco, 1829 accepted as Centrolophus Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Centrolophidae (Family)

Gymnoceromyia
 Gymnoceromyia Bigot, 1890 accepted as Sympycnus Loew, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)
     Gymnoceromyia Bigot, 1888 accepted as Gymnoceromyia Bigot, 1890 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)

Gymnochaeta
     Gymnochaeta Steudel, 1855 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
 Gymnochaeta Macquart, 1835 accepted as Gymnocheta Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gymnochanda
     Gymnochanda Fraser-Brunner, 1955 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Ambassidae (Family)
 Gymnochanda Boeseman, 1957 accepted as Gymnochanda Fraser-Brunner, 1955 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Ambassidae (Family)

Gymnocheila
 Gymnocheila Agassiz, 1846 accepted as Gymnochila Klug in Erichson, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)
 Gymnocheila White, 1846 accepted as Gymnochila Klug in Erichson, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)

Gymnochilus
 Gymnochilus Clements, 1896 accepted as Psathyrella (E.M. Fries) Quélet, 1872 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Psathyrellaceae (Family)
     Gymnochilus Eichhoff, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gymnochilus Blume, 1859 accepted as Cheirostylis Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gymnocidaris
     Gymnocidaris L. Agassiz, 1838 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Hemicidaroida (Order) > Hemicidaridae (Family)
 Gymnocidaris A. Agassiz, 1863 accepted as Eucidaris Pomel, 1883 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Cidaroida (Order) > Cidaridae (Family)

Gymnococcus
     Gymnococcus Cockerell, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Eriococcidae (Family)
     Gymnococcus Zopf in Schenk, 1884 · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Gymnococcus Douglas, 1888 accepted as Ovaticoccus Kloet, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Eriococcidae (Family)

Gymnocrotaphus
     Gymnocrotaphus Günther, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sparidae (Family)
     Gymnocrotaphus Büttikofer, 1896 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gymnocybe
 Gymnocybe E.M. Fries, 1825 accepted as Aulacomnium Schwägrichen, 1827 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Rhizogoniales (Order) > Aulacomniaceae (Family)
 Gymnocybe P.A. Karsten, 1879 accepted as Pholiota (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)

Gymnoderma
     Gymnoderma Nylander, 1860 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Cladoniaceae (Family)
 Gymnoderma Humboldt, 1793 accepted as Gymnoderma Humboldt, 1793 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Thelephorales (Order) > Thelephoraceae (Family)
     Gymnoderma Budde-Lund in Voeltzkow, 1908 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gymnodes
 Gymnodes (Grisebach) Fourreau, 1869 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Juncaceae (Family)
 Gymnodes accepted as Gymnodus Kirby, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gymnodia
     Gymnodia Fell, 1962 † · Animalia (Kingdom) > Echinodermata (Phylum) > Ophiuroidea (Class) > Ophiurida (Order) > Amphiuridae (Family)
     Gymnodia Robineau-Desvoidy, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)

Gymnodiscus
 Gymnodiscus H. Zukal, 1887 accepted as Ascozonus (Renny) E.C. Hansen, 1876 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Thelebolales (Order) > Thelebolaceae (Family)
     Gymnodiscus Lessing, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gymnodus
 Gymnodus Kirby, 1827 accepted as Osmoderma Lepeletier & Serville, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnodus Delfortrie, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gymnogaster
     Gymnogaster Lioy, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Gymnogaster Townsend, 1926 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Gymnogaster J.W. Cribb, 1956 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
     Gymnogaster Blanchard, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnogaster Dejean, 1833 accepted as Gymnogaster Blanchard, 1851 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Gymnogaster Brünnich, 1788 accepted as Trachipterus Goüan, 1770 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lampriformes (Order) > Trachipteridae (Family)
 Gymnogaster Gronow, 1763 accepted as Trichiurus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Trichiuridae (Family)

Gymnognathus
     Gymnognathus Solier in Gay, 1851 accepted as Arthroconus Solier in Gay, 1851 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gymnognathus Sauvage, 1884 accepted as Elopichthys Bleeker, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Gymnognathus Schönherr, 1823 accepted as Gymnoganthus Schoenherr, 1826 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)

Gymnogonium
 Gymnogonium Parry accepted as Goodmania J.L. Reveal & B.J. Ertter, 1977 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Polygonaceae (Family)
 Gymnogonium Xu & Huang, 1994 accepted as Heterotiara Maas, 1905 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Bythotiaridae (Family)

Gymnogramma
 Gymnogramma Desvaux, 1811 accepted as Hemionitis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Pteridaceae (Family)
     Gymnogramma Zeller, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lacturidae (Family)

Gymnograptus
     Gymnograptus Bulman, 1953 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptoloidea (Order) > Climacograptidae (Family)
     Gymnograptus Lapworth, 1880 † accepted as Gymnograptus Bulman, 1953 † (nomen nudum)· Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptoloidea (Order) > Climacograptidae (Family)

Gymnogyne
     Gymnogyne Steetz in J.G.C. Lehmann, 1845 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gymnogyne (F. Didrichsen) F. Didrichsen, 1859 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Urticaceae (Family)

Gymnolepas
     Gymnolepas Aurivillius, 1894 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Gymnolepas Blainville, 1824 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gymnoloma
     Gymnoloma Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Gymnoloma Burmeister, 1844 accepted as Gymnoloma Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Gymnoloma Ker-Gawler, 1822 accepted as Gymnolomia Kunth in Humboldt, Bonpland & Kunth, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gymnometopa
     Gymnometopa Coquillett, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Gymnometopa Duda, 1923 accepted as Gymnometopina Hedicke, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)

Gymnometriocnemus
     Gymnometriocnemus Edward, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)
 Gymnometriocnemus Goetghebuer, 1932 accepted as Gymnometriocnemus Edward, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Gymnomitrion
     Gymnomitrion Corda in Opiz, 1829 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Gymnomitriaceae (Family)
 Gymnomitrion J.W.P. Huebener, 1834 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Metzgeriales (Order) > Aneuraceae (Family)

Gymnomyza
     Gymnomyza Fallén, 1810 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Gymnomyza Strobl, 1894 accepted as Actenoptera Czerny, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Piophilidae (Family)
     Gymnomyza Reichenow, 1914 accepted as Eugymnomyza Andersen, Gregory, Dickinson, Watling & Scofield, 2022 (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Meliphagidae (Family)

Gymnonotus
 Gymnonotus Chevrolat, 1879 accepted as Cholus Germar, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gymnonotus Bloch & Schneider, 1801 accepted as Gymnotus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gymnotiformes (Order) > Gymnotidae (Family)

Gymnopa
     Gymnopa Fallén, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Ephydridae (Family)
     Gymnopa Stephens, 1829 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gymnophora
     Gymnophora Macquart, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)
     Gymnophora P.V. Heath, 1992 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Gymnophrys
     Gymnophrys Cienkowsky, 1876 · Chromista (Kingdom) > Cercozoa (Phylum) > Vampyrellidea (Class) > Vampyrellida (Order) > Vampyrellidae (Family)
     Gymnophrys Swainson, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gymnopithys
     Gymnopithys Bonaparte, 1857 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Thamnophilidae (Family)
     Gymnopithys Bonaparte, 1854 accepted as Gymnopithys Bonaparte, 1857 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Thamnophilidae (Family)

Gymnopoda
     Gymnopoda Macquart, 1835 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Gymnopoda Felder, 1874 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gymnopogon
     Gymnopogon Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Gymnopogon accepted as Gymnapogon Regan, 1905 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Apogonidae (Family)

Gymnops
     Gymnops Spix, 1824 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Falconidae (Family)
     Gymnops Blanford, 1870 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Lacertidae (Family)
 Gymnops Cuvier, 1829 accepted as Sarcops Walden, 1875 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sturnidae (Family)

Gymnopsis
     Gymnopsis Rondani, 1859 accepted as Macquartia Robineau-Desvoidy, 1830 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Gymnopsis A.P. de Candolle, 1836 accepted as Aspilia L.M.A.A. Du Petit-Thouars, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gymnopsis Rafinesque, 1815 accepted as Gymnomuraena Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenidae (Family)

Gymnopteris
 Gymnopteris Bernhardi, 1799 accepted as Hemionitis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Pteridaceae (Family)
 Gymnopteris K.B. Presl, 1836 accepted as Leptochilus Kaulfuss, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Gymnopus
     Gymnopus Gray, 1842 accepted as Mustela Linnaeus, 1758 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Gymnopus Gray, 1865 accepted as Mustela Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
     Gymnopus (Persoon) H.F.A. Roussel, 1806 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Omphalotaceae (Family)
 Gymnopus (Quélet) Quélet ex Mougeot & Ferry in L. Louis, 1887 accepted as Boletus E.M. Fries, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Boletaceae (Family)
     Gymnopus Duméril & Bibron, 1834 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Trionychidae (Family)
     Gymnopus Brookes, 1828 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gymnopus Blyth, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Coraciiformes (awaiting allocation) (Family)

Gymnorhinus
 Gymnorhinus Hilgendorf in Hemprich & Ehrenberg, 1899 accepted as Carcharhinus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)
     Gymnorhinus Wied, 1840-41 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)

Gymnorhynchus
     Gymnorhynchus Rudolphi, 1819 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Trypanorhyncha (Order) > Gymnorhynchidae (Family)
 Gymnorhynchus Horst, 1918 accepted as Gymnonereis Horst, 1919 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Nereididae (Family)

Gymnoris
     Gymnoris Blyth, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeridae (Family)
     Gymnoris Hodgson, 1844 accepted as Gymnoris Hodgson, 1844 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeridae (Family)

Gymnoscelis
     Gymnoscelis Mabille, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Gymnoscelis Dalla Torre, 1898 accepted as Gymnoscelis Dalla Torre, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Gymnoscyphus
 Gymnoscyphus Corda in J. Sturm, 1835 accepted as Solenostoma Mitten, 1864 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Jungermanniaceae (Family)
     Gymnoscyphus Böhlke & Robins, 1970 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiesociformes (Order) > Gobiesocidae (Family)

Gymnosoma
     Gymnosoma Quatrefages, 1866 accepted as Gymnosoma Quatrefages, 1866 (nomen dubium)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Sabellidae (Family)
     Gymnosoma Meigen, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gymnosorus
 Gymnosorus J.G. Agardh, 1894 accepted as Lobophora J.G. Agardh, 1894 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Dictyotales (Order) > Dictyotaceae (Family)
     Gymnosorus Trevisan, 1848 accepted as Gymnosorus Trevisan, 1848 (nomen dubium)· Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Peyssonneliales (Order) > Peyssonneliaceae (Family)

Gymnosphaera
     Gymnosphaera C.L. Blume, 1828 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Cyatheales (Order) > Cyatheaceae (Family)
 Gymnosphaera Tassi, 1902 accepted as Stagonospora (P.A. Saccardo) P.A. Saccardo, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Phaeosphaeriaceae (Family)
     Gymnosphaera Sassaki, 1893 · Chromista (Kingdom) > Retaria (Phylum) > (Class) > Gymnosphaerida (Order) > Gymnosphaeridae (Family)

Gymnospora
     Gymnospora Moniez, 1886 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Gregarinidae (Family)
     Gymnospora (Chodat) J.F.B. Pastore, 2013 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Polygalaceae (Family)

Gymnostomum
 Gymnostomum J. Hedwig, 1801 accepted as Gymnostomum J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
     Gymnostomum C.G.D. Nees & Hornschuch in C.G.D. Nees, Hornschuch & Sturm, 1823 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Bartramiaceae (Family)

Gymnota
 Gymnota Gistl, 1848 accepted as Chrysomela Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gymnota Gistl, 1834 accepted as Ancylocheira Eschscholtz, 1829 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Gymnotheca
     Gymnotheca Decaisne, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Piperales (Order) > Saururaceae (Family)
 Gymnotheca K.B. Presl, 1845 accepted as Marattia O. Swartz, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiales (Order) > Marattiaceae (Family)

Gymnothorax
     Gymnothorax Bloch, 1795 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenidae (Family)
     Gymnothorax Cuvier, 1800 accepted as Gymnothorax Cuvier, 1800 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenidae (Family)
 Gymnothorax Duda, 1923 accepted as Achaetothorax Hedicke, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)

Gymnotus
 Gymnotus Berthold in Latreille, 1827 accepted as Gymnetis Macleay, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnotus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gymnotiformes (Order) > Gymnotidae (Family)

Gymnura
 Gymnura Lesson, 1827 accepted as Echinosorex de Blainville, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Erinaceomorpha (Order) > Erinaceidae (Family)
 Gymnura Müller & Henle, 1837 accepted as Urogymnus Müller & Henle, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Dasyatidae (Family)
     Gymnura van Hasselt, 1823 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Gymnuridae (Family)
     Gymnura Nuttall, 1834 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gymnura Kuhl, 1823 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gymnurus
 Gymnurus accepted as Echinosorex de Blainville, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Erinaceomorpha (Order) > Erinaceidae (Family)
 Gymnurus Nordman, 1837 accepted as Taenodema Laporte, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gymnurus Rafinesque, 1815 accepted as Taenioides Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Gymnusa
     Gymnusa Karsten in Gravenhorst, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gymnusa Mannerheim, 1830 accepted as Gymnusa Karsten in Gravenhorst, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gynandrophthalma
 Gynandrophthalma Lacordaire, 1848 accepted as Anomoea Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gynandrophthalma Gemminger & Harold, 1874 accepted as Gynandrophthalma Lacordaire, 1848 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gyndes
 Gyndes Sørensen, 1884 accepted as Eugyndes Roewer, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Gyndes Stål, 1862 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Gynerium
 Gynerium Humboldt in Humboldt & Bonpland, 1813 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Gynerium Willdenow ex Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Gypaetos
     Gypaetos Bechstein in Levaillant, 1798 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Gypaetos Geoffroy, 1797 accepted as Gypaetus Storr, 1784 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Accipitridae (Family)

Gypsophila
     Gypsophila Oates, 1883 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gypsophila Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Gyptis
     Gyptis (Cassini) Cassini in F. Cuvier, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gyptis Marion & Bobretzky in Marion, 1874 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Hesionidae (Family)

Gyrandra
 Gyrandra N. Wallich, 1847 accepted as Daphniphyllum Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Daphniphyllaceae (Family)
     Gyrandra Grisebach in Alph. de Candolle, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)

Gyrina
 Gyrina Schumacher, 1817 accepted as Ranella Lamarck, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)
     Gyrina V.S. Maljavkina, 1949 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Gyrinella
     Gyrinella V.S. Maljavkina, 1949 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gyrinella Dall, 1924 accepted as Gyrineum Link, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)

Gyrinoides
     Gyrinoides Motschoulsky, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)
 Gyrinoides Guignot, 1948 accepted as Gyrinus Müller, 1764 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)

Gyrinopsis
 Gyrinopsis Dall, 1925 accepted as Ranella Lamarck, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)
 Gyrinopsis Decaisne, 1843 accepted as Aquilaria Lamarck, 1783 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)
     Gyrinopsis Handlirsch, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)

Gyrinus
 Gyrinus Linnaeus, 1767 accepted as Gyrinus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)
 Gyrinus Shaw, 1798 accepted as Ambystoma Tschudi, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Caudata (Order) > Ambystomatidae (Family)
 Gyrinus Geoffroy, 1762 accepted as Gyrinus Müller, 1764 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)
     Gyrinus Müller, 1764 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)

Gyrocephalus
 Gyrocephalus Brefeld, 1888 accepted as Guepinia E.M. Fries, 1825 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Auriculariales (Order) > Auriculariales incertae sedis (Family)
 Gyrocephalus Persoon, 1824 accepted as Gyromitra E.M. Fries, 1849 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Discinaceae (Family)

Gyroceras
     Gyroceras Owen, 1844 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gyroceras de Koninck, 1844 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Nautilida (Order) > Nautilidae (Family)

Gyrocerus
     Gyrocerus King, 1844 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gyrocerus Corda, 1837 accepted as Circinotrichum C.G.D. Nees, 1816 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Gyrocochlea
     Gyrocochlea Hedley, 1924 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)
     Gyrocochlea Iredale, 1941 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gyrodactylus
     Gyrodactylus Cobbold, 1864 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Gyrodactylidea (Order) > Gyrodactylidae (Family)
     Gyrodactylus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Gyrodactylidea (Order) > Gyrodactylidae (Family)

Gyrodendron
     Gyrodendron E.O. Ulrich, 1904 † (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Gyrodendron Quenstedt, 1880 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Calamophylliidae (Family)

Gyrodoma
     Gyrodoma Etheridge, 1898 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Hormotomidae (Family)
     Gyrodoma H. Wild, 1974 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gyrodroma
     Gyrodroma Klug, 1807 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gyrodroma Thomson, 1872 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gyrodus
 Gyrodus Hustache, 1934 accepted as Cylindrocopturus Heller, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gyrodus Agassiz, 1833 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pycnodontiformes (Order) > Gyrodontidae (Family)

Gyrohypnus
     Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gyrohypnus Kirby in Samouelle, 1819 accepted as Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gyrohypnus Mannerheim, 1831 accepted as Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gyrohypnus Samouelle, 1819 accepted as Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gyrolepis
 Gyrolepis Kade, 1858 † accepted as Porolepis Woodward, 1891 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Porolepiformes (Order) > Porolepididae (Family)
     Gyrolepis Agassiz, 1833 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeoniscidae (Family)

Gyromitra
     Gyromitra (E.M. Fries) S. Imai, 1932 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Helvellaceae (Family)
     Gyromitra E.M. Fries, 1849 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Discinaceae (Family)

Gyronotus
 Gyronotus Cameron, 1948 accepted as Marecon Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Gyronotus Lansberge, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gyronotus Klug, 1850 accepted as Gyronotus Lansberge, 1874 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gyrophora
 Gyrophora Patouillard, 1887 accepted as Serpula (Persoon) S.F. Gray, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Serpulaceae (Family)
 Gyrophora Acharius, 1803 accepted as Umbilicaria G.F. Hoffmann, 1789 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Umbilicariales (Order) > Umbilicariaceae (Family)

Gyrophyllites
     Gyrophyllites Glocker, 1841 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Equisetidae (awaiting allocation) (Order) > Equisetidae (awaiting allocation) (Family)
     Gyrophyllites Wiedman, 1963 † accepted as Gyrophylloceras Howarth, 2018 † (junior homonym)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Phylloceratida (Order) > Phylloceratidae (Family)

Gyrophyllum
     Gyrophyllum Dozy & Molkenboer, 1846 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Dicranales (Order) > Dicranaceae (Family)
     Gyrophyllum (T. Nuttall) Mesfin Tadesse & D.J. Crawford, 2023 accepted as Anacis Schrank, 1817 (junior homonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gyrophyllum Studer, 1891 · Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Scleralcyonacea (Order) > Gyrophyllidae (Family)

Gyroplacosteus
     Gyroplacosteus Obrutschev, 1930 † · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Arthrodira (Order) > Arthrodira (awaiting allocation) (Family)
     Gyroplacosteus Obrutschev, 1930, nom. nud. † accepted as Gyroplacosteus Obrutschev, 1930 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Arthrodira (Order) > Arthrodira (awaiting allocation) (Family)

Gyroptera
 Gyroptera V.P. Botschantzev, 1967 accepted as Lagenantha Chiovenda, 1929 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Gyroptera Bradley, 1968 † accepted as Eugyroptera Bradley, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
     Gyroptera Janse, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Limacodidae (Family)

Gyrorbis
 Gyrorbis Fitzinger, 1833 accepted as Valvata O. F. Müller, 1774 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Valvatidae (Family)
 Gyrorbis Moquin-Tandon, 1856 accepted as Wuestia Honigmann, 1909 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gyrosteus
     Gyrosteus Morris, 1854 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)
     Gyrosteus Agassiz, 1844 † accepted as Gyrosteus Morris, 1854 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)
     Gyrosteus Agassiz in Egerton, 1837 † accepted as Gyrosteus Morris, 1854 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)

Gyrostoma
 Gyrostoma Gray, 1857 accepted as Gyrotoma Shuttleworth, 1845 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pleuroceridae (Family)
     Gyrostoma Kwietniewski, 1897 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Actiniidae (Family)
     Gyrostoma Kirby & Spence, 1828 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gyrostoma Hesse, 1909 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gyrosus
 Gyrosus Gray in Gerrard, 1862 accepted as Sus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Suidae (Family)
     Gyrosus Xu & Zhang, 2023 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Gyrotrema
     Gyrotrema A. Frisch, 2006 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Gyrotrema Bigsby, 1868 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gyrovaga
     Gyrovaga Townsend, 1932 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Gyrovaga Gistl, 1848 accepted as Nitidula Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)
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