Between brackets is the number of accepted species
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2 Shows the number of accepted species within the taxon
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Subphylum Cephalochordata
- Subphylum Tunicata accepted as Urochordata
- Subphylum Urochordata
- Subphylum Vertebrata
- Superclass Tetrapoda
- Class Acanthodii †
- Class Actinopterygii
- Order Acanthomorpha
- Order Acipenseriformes
- Order Actinopterygii (awaiting allocation)
- Order Actinopterygii incertae sedis
- Order Aeduelliformes †
- Order Albuliformes
- Order Alepisauriformes
- Order Amiiformes
- Order Anguilliformes
- Order Ankylophoriformes †
- Order Argentiniformes
- Order Asarotiformes †
- Order Ascalaboidiformes †
- Order Aspidorhynchiformes †
- Order Ateleopodiformes
- Order Atheriniformes
- Order Aulopiformes
- Order Batrachoidiformes
- Order Beloniformes
- Order Beryciformes
- Order Bobasatraniformes † accepted as Bobasatraniiformes †
- Order Bobasatraniiformes †
- Order Catervarioliformes †
- Order Cephaloxeniformes †
- Order Cetomimiformes
- Order Characiformes
- Order Cheirolepiformes †
- Order Clupeiformes
- Order Clupeocephala incertae sedis
- Order Clupeomorpha incertae sedis
- Order Crossognathiformes †
- Order Ctenothrissiformes †
- Order Cypriniformes
- Order Cyprinodontiformes
- Order Dactylopteriformes accepted as Syngnathiformes
- Order Dapediiformes †
- Order Discordichthyiformes †
- Order Dorsetichthyiformes †
- Order Dorypteriformes †
- Order Ellimmichthyiformes †
- Order Elonichthyiformes †
- Order Elopiformes
- Order Esociformes
- Order Eurynotoidiformes †
- Order Euteleostei incertae sedis
- Order Gadiformes
- Order Gasterosteiformes
- Order Gobiesociformes
- Order Gobiiformes
- Family Eleotridae Bonaparte, 1835
- Genus Alexurus Jordan, 1895 accepted as Erotelis Poey, 1860
- Genus Allomogurnda Allen, 2003
- Genus Alvarius Girard, 1859 accepted as Gobiomorus Lacepède, 1800
- Genus Asellus Plumier in Lacepède, 1800
- Genus Austrogobio Ogilby, 1898 accepted as Hypseleotris Gill, 1863
- Genus Belobranchus Bleeker, 1857
- Genus Boroda Herre, 1927 accepted as Bostrychus Lacepède, 1801
- Genus Borodamirus Whitley, 1935 accepted as Oxyeleotris Bleeker, 1874
- Genus Bostrichthys Duméril, 1805 accepted as Bostrychus Lacepède, 1801
- Genus Bostrictis Rafinesque, 1815 accepted as Bostrychus Lacepède, 1801
- Genus Bostrychichthys Agassiz, 1846 accepted as Bostrichthys Duméril, 1805
- Genus Bostrychus Lacepède, 1801
- Genus Botrychus Rafinesque, 1815 accepted as Bostrychus Lacepède, 1801
- Genus Buits accepted as Butis Bleeker, 1856
- Genus Bunaka Herre, 1927
- Genus Butis Bleeker, 1874 accepted as Butis Bleeker, 1856
- Genus Butis Bleeker, 1856
- Genus Caecieleotris Walsh & Chakrabarty, 2016
- Genus Callieleotris Fowler, 1934 accepted as Oxyeleotris Bleeker, 1874
- Genus Calumia Smith, 1958
- Genus Carassiops Ogilby, 1897 accepted as Hypseleotris Gill, 1863
- Genus Caulichthys Ogilby, 1898 accepted as Hypseleotris Gill, 1863
- Genus Cestraeus Agassiz, 1845
- Genus Cestreus McClelland, 1842
- Genus Cobiomoroides Agassiz, 1846 accepted as Eleotris Bloch & Schneider, 1801
- Genus Culius Bleeker, 1856 accepted as Eleotris Bloch & Schneider, 1801
- Genus Dactyeleotris Smith, 1958
- Genus Dormitator Gill, 1862 accepted as Dormitator Gill, 1861
- Genus Dormitator Gill, 1861
- Genus Eleoris Günther, 1864 accepted as Eleotris Gronovius, 1763
- Genus Eleotrides Bory de Saint-Vincent, 1825 accepted as Eleotris Bloch & Schneider, 1801
- Genus Eleotris Bloch & Schneider, 1801
- Genus Eleotris Gronovius, 1763 accepted as Eleotris Bloch & Schneider, 1801
- Genus Elestris accepted as Eleotris Gronovius, 1763
- Genus Epiphthalmus Rafinesque, 1815 accepted as Eleotris Bloch & Schneider, 1801
- Genus Epophthalmus Agassiz, 1846 accepted as Eleotris Bloch & Schneider, 1801
- Genus Erotelis Poey, 1860
- Genus Euleptoeleotris Hildebrand, 1938 accepted as Erotelis Poey, 1860
- Genus Fagasa Schultz, 1943
- Genus Formosaneleotris Chen, 2024
- Genus Gigantogobius Fowler, 1905 accepted as Oxyeleotris Bleeker, 1874
- Genus Giuris Sauvage, 1880
- Genus Giurus accepted as Giuris Sauvage, 1880
- Genus Gobiomoroides Lacepède, 1800 accepted as Eleotris Bloch & Schneider, 1801
- Genus Gobiomorphus Gill, 1863
- Genus Gobiomorus Lacepède, 1800
- Genus Guavina Bleeker, 1874
- Genus Gymnobutis Bleeker, 1874 accepted as Philypnodon Bleeker, 1874
- Genus Hanno Herre, 1946 accepted as Bostrychus Lacepède, 1801
- Genus Hannoichthys Herre, 1950 accepted as Bostrychus Lacepède, 1801
- Genus Hemieleotris Meek & Hildebrand, 1916
- Genus Hypseleotris Gill, 1863
- Genus Ichthyopogon Agassiz, 1846 accepted as Bostrychus Lacepède, 1801
- Genus Ictiopogon Rafinesque, 1815 accepted as Bostrychus Lacepède, 1801
- Genus Incara Rao, 1971
- Genus Kieneria Maugé, 1984 accepted as Eleotris Bloch & Schneider, 1801
- Genus Kimberleyeleotris Hoese & Allen, 1987 accepted as Hypseleotris Gill, 1863
- Genus Krefftius Ogilby, 1897 accepted as Gobiomorphus Gill, 1863
- Genus Kribia Herre, 1946
- Genus Lairdina Fowler, 1953 accepted as Giuris Sauvage, 1880
- Genus Lembus Günther, 1859 accepted as Gobiomorus Lacepède, 1800
- Genus Leptophilypnion Roberts, 2013
- Genus Leptophilypnus Meek & Hildebrand, 1916
- Genus Lindemanella Whitley, 1935 accepted as Ophiocara Gill, 1863
- Genus Lizettea Herre, 1936 accepted as Bunaka Herre, 1927
- Genus Lophodormitator Hoedeman, 1952 accepted as Dormitator Gill, 1861
- Genus Mataichthys Schwarzhans, Scofield, Tennyson & Worthy, 2012 †
- Genus Meuschenula Whitley, 1931 accepted as Ophiocara Gill, 1863
- Genus Microeleotris Meek & Hildebrand, 1916 accepted as Leptophilypnus Meek & Hildebrand, 1916
- Genus Microphilypnus Myers, 1927
- Genus Milyeringa Whitley, 1945
- Genus Mogurnda Gill, 1863
- Genus Mulgoa Ogilby, 1897 accepted as Gobiomorphus Gill, 1863
- Genus Odonteleotris Gill, 1863
- Genus Ophieleotris Aurich, 1938 accepted as Giuris Sauvage, 1880
- Genus Ophieleotris Regan, Norman & White, 1938 (ex Aurich) accepted as Giuris Sauvage, 1880
- Genus Ophiocara Gill, 1863
- Genus Ophiorrhinus Ogilby, 1897 accepted as Philypnodon Bleeker, 1874
- Genus Oxyelectris accepted as Oxyeleotris Bleeker, 1874
- Genus Oxyeleotris Bleeker, 1874
- Genus Paloa Herre, 1927 accepted as Odonteleotris Gill, 1863
- Genus Parviparma Herre, 1927
- Genus Pelmatia Browne, 1789 accepted as Gobiomorus Lacepède, 1800
- Genus Philypnodon Bleeker, 1874
- Genus Philypnus Valenciennes in Cuvier & Valenciennes, 1837
- Genus Pogoneleotris Bleeker, 1875
- Genus Pohieleotris accepted as Ophieleotris Aurich, 1938
- Genus Prionobutis Bleeker, 1874
- Species Prionobutis dasyrhynchus (Günther, 1868)
- Species Prionobutis koilomatodon (Bleeker, 1849) accepted as Butis koilomatodon (Bleeker, 1849)
- Species Prionobutis microps (Weber, 1907)
- Species Prionobutis wardi Whitley, 1939 accepted as Butis koilomatodon (Bleeker, 1849)
- Genus Prochilus Cuvier, 1816 accepted as Dormitator Gill, 1861
- Genus Psilus Fischer, 1813 accepted as Bostrychus Lacepède, 1801
- Genus Ratsirakia Maugé, 1984
- Genus Shipwayia Whitley, 1954 accepted as Hypseleotris Gill, 1863
- Genus Sobiomorus Fischer, 1808 accepted as Gobiomorus Lacepède, 1800
- Genus Tateurndina Nichols, 1955
- Genus Themistocles Whitley, 1939 accepted as Prionobutis Bleeker, 1874
- Genus Typhleotris Petit, 1933
- Family Gobiidae Cuvier, 1816
- Family Odontobutidae Hoese & Gill, 1993
- Family Rhyacichthyidae Jordan, 1905
- Family Thalasseleotrididae Gill & Mooi, 2012
- Genus Simpsonigobius Dirnberger, Bauer & Reichenbacher, 2024 †
- Order Gonorhynchiformes accepted as Gonorynchiformes
- Order Gonorynchiformes
- Order Guildayichthyiformes †
- Order Gymnotiformes
- Order Halecomorphi incertae sedis
- Order Haplolepidiformes †
- Order Holocentriformes
- Order Ichthyodectiformes †
- Order Ionoscopiformes †
- Order Kyphosichthyiformes †
- Order Lampriformes
- Order Lepisosteiformes
- Order Leptolepidiformes †
- Order Lophiiformes
- Order Louwoichthyiformes †
- Order Luganoiiformes †
- Order Lycopteriformes †
- Order Macrosemiiformes †
- Order Megalopiformes accepted as Elopiformes
- Order Mormyriformes accepted as Osteoglossiformes
- Order Myctophiformes
- Order Neopterygii incertae sedis
- Order Notacanthiformes
- Order Ophidiiformes
- Order Ophiopsiformes †
- Order Ophisthomi †
- Order Osmeriformes
- Order Osteoglossiformes
- Order Osteoglossomorpha incertae sedis
- Order Pachycormiformes †
- Order Palaeonisciformes †
- Order Palaeoniscimorpha incertae sedis
- Order Palaeoniscoidea † accepted as Palaeonisciformes †
- Order Paleonisciformes † accepted as Palaeonisciformes †
- Order Panxianichthyformes †
- Order Paphosisciformes †
- Order Parasemionotiformes †
- Order Pattersonichthyiformes †
- Order Peltopleuriformes †
- Order Perciformes
- Order Percomorpha incertae sedis
- Order Percopsiformes
- Order Perleidiformes †
- Order Pholidophoriformes †
- Order Pholidophoroidea † accepted as Pholidophoriformes †
- Order Pholidopleuriformes †
- Order Pleuronectiformes
- Order Polymixiiformes
- Order Prohaleciteiformes †
- Order Protacanthopterygii incertae sedis
- Order Ptycholepiformes †
- Order Pycnodontiformes †
- Order Redfieldiiformes †
- Order Saccopharyngiformes
- Order Salmoniformes
- Order Saurichthyiformes †
- Order Scanilepiformes †
- Order Scorpaeniformes
- Order Semionotiformes †
- Order Siluriformes
- Order Sorbininardiformes †
- Order Stephanoberyciformes
- Order Stomiiformes
- Order Synbranchiformes
- Order Syngnathiformes
- Order Tarrasiiformes †
- Order Teleostei incertae sedis
- Order Teleostii (awaiting allocation)
- Order Tetraodontiformes
- Order Tselfatiformes accepted as Tselfatiiformes †
- Order Tselfatiiformes †
- Order Zeiformes
- Genus Avitosmerus Fielitz, 2002 †
- Genus Avonichthys Wilson, Pardo & Anderson, 2018 †
- Genus Bacchiaichthys Bannikov & Sorbini, 2000 †
- Genus Bethesdaichthys Bender, 2001 †
- Genus Bluefieldius Mickle, 2018 †
- Genus Choctawichthys Schwarzhans & Stringer in Stringer et al., 2020 †
- Genus Cladistia Cope, 1870
- Genus Diplospondichthys Filleul & Dutheil, 2004 †
- Genus Fuyuanichthys Xu, Ma & Ren, 2018 †
- Genus Gwyneddocaris Bock, 1946 †
- Genus Otolithopsis Huddleston, 1983 †
- Genus Otolithus Koken, 1884 † accepted as Otolithopsis Huddleston, 1983 †
- Class Agnatha (awaiting allocation)
- Class Cephalaspidomorphi
- Class Chondrichthyes
- Class Conodonta †
- Class Dipnoi
- Class Dipnomorpha accepted as Dipnoi
- Class Galeaspida †
- Class Gnathostomata incertae sedis †
- Class Myxini
- Class Osteichthyes (awaiting allocation)
- Class Osteichthyes incertae sedis †
- Class Ostracodermi †
- Class Pisces (awaiting allocation)
- Class Placodermi †
- Class Pteraspidomorphi †
- Class Sarcopterygii
- Class Thelodonti †
- Genus Emmonsaspis Resser & Howell, 1938 †
- Genus Harajicadectes Choo, Holland, Clement, King, Challands, Young & Long, 2024 †
- Genus Kahamachli Malkani, 2019 †
- Genus Nuucichthys Lerosey-Aubril & Ortega-Hernández, 2024 †
- Genus Rhynchocopros Hunt, Lucas & Spielmann, 2013 †
- Genus Santamariacopros Hunt, Lucas & Spielmann, 2013 †
- Genus Squirmarius McCoy, Wittry, Sadabadi & Mayer, 2023 †
- Class Chordata (awaiting allocation)
- Class Eotetrapodiformes incertae sedis
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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