Between brackets is the number of accepted species
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2 Shows the number of accepted species within the taxon
3 The last expanded taxon is highlighted
4 Click on "+" to expand/show all child taxa
5 Click to see the taxon details page
- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Class Articulata
- Class Brachiopoda (awaiting allocation)
- Class Chileata †
- Class Craniata
- Class Inarticulata
- Class Kutorginata
- Class Lingulata
- Class Linguliformea incertae sedis
- Class Obolellata †
- Class Paterinata †
- Class Rhynchonellata
- Order Athyridida †
- Order Atrypida
- Order Orthida †
- Order Pentamerida †
- Order Protorthida † accepted as Orthida †
- Order Rhynchonellida
- Order Rhynchonelliformea (awaiting allocation)
- Order Spiriferida
- Order Terebratulida
- Family Alabushevothyrididae Smirnova, 1994 †
- Family Angustothyrididae †
- Family Antezeilleridae †
- Family Antzeilleridae †
- Family Aulacothyropsidae
- Family Beecheriidae †
- Family Boreiothyrididae †
- Family Bouchardiidae
- Family Cancellothyrididae Thomson, 1926
- Family Capillithyrididae Cooper, 1983 †
- Family Centronellidae Waagen, 1882 †
- Family Cheirothyropsidae †
- Family Cheniothyrididae Muir-Wood, 1965 †
- Family Chilidonophoridae Muir-Wood, 1959 †
- Family Chlidonophoridae
- Family Cimicinellidae †
- Family Clathrithyrididae †
- Family Cnismatocentridae
- Family Compositelasmatidae Smirnova, 2006 †
- Family Cranaenidae Cloud, 1942 †
- Family Cryptonellidae Thomson, 1926 †
- Family Dallinidae Beecher, 1895
- Family Dictyothyrididae Makridin, 1964 †
- Family Dielasmatacea (awaiting allocation) †
- Family Dielasmatidae Schuchert, 1913 †
- Family Dienopidae Cooper, 1983 †
- Family Dyscoliidae Fischer & Oehlert, 1891
- Family Ecnomiosidae
- Family Eudesiidae Muir-Wood, 1965 †
- Family Frenulinidae Hatai, 1938
- Family Gibbithyrididae Muir-Wood, 1965 †
- Family Gillediidae †
- Family Gusarellidae †
- Family Harpotothyrididae †
- Family Hegathyridae †
- Family Hercothyrididae Cooper, 1979 †
- Family Hesperithyrididae Cooper, 1983 †
- Family Heterelasminidae Licharew, 1956 †
- Family Inopinatarculidae †
- Family Jagtithyrididae Simon & Mottequin, 2018
- Family Juvavellidae †
- Family Kingenidae Elliott, 1948 †
- Family Kraussinidae Allan, 1940
- Family Labaidae †
- Family Labaiidae Likharev, 1960 †
- Family Laqueidae Hatai, 1965
- Family Laqueoidea incertae sedis
- Family Lissajousithyrididae †
- Family Loboidothyrididae Makridin, 1964 †
- Family Loboidothyridoidea incertae sedis †
- Family Lobothyrididae †
- Family Macandreviidae accepted as Zeilleriidae Schuchert, 1929
- Family Mametothyrididae †
- Family Meganteridae Schuchert & LeVene, 1929 † accepted as Centronellidae Waagen, 1882 †
- Family Meganterididae Schuchert & LeVene, 1929 †
- Family Megathyrididae Dall, 1870
- Family Mosaethyrididae Simon, 2005 †
- Family Muirwoodellidae Tchorszhevsky, 1974 †
- Family Mutationellidae Cloud, 1942 †
- Family Notothyrididae Likharev, 1960 †
- Family Nucleatidae †
- Family Obolorugidae †
- Family Orthotomidae Muir-Wood, 1936 †
- Family Ostreathyridae Hiller, 2016 †
- Family Parantiptychiidae †
- Family Phaneroporidae Zezina, 1981
- Family Platidiidae Thomson, 1927
- Family Plectoconchidae †
- Family Postepithyrididae †
- Family Praeargyrothecidae †
- Family Pseudodielasmatidae Cooper & Grant, 1976 †
- Family Pygopidae Muir-Wood, 1965 †
- Family Rhenorensselaeriidae †
- Family Rhipidiothyrididae †
- Family Rhipidothyridae Cloud, 1942 †
- Family Rhipidothyrididae Stehli, 1965 †
- Family Sellithyrididae Muir-Wood, 1965 †
- Family Spasskothyrididae †
- Family Stringocephalidae King, 1859 †
- Family Stringoephalidae †
- Family Tchegemithyrididae Tchorszhevsky, 1972 †
- Family Tegulithyrididae Muir-Wood, 1965 †
- Family Terebrataliidae Richardson, 1975
- Family Terebratellidae King, 1850
- Family Terebratulida (awaiting allocation)
- Family Terebratulidae Gray, 1840
- Family Terebratulidina incertae sedis
- Family Terebratulina incertae sedis
- Family Terebratuloidea incertae sedis
- Family Thaumatosiidae
- Family Triadithyrididae †
- Family Trigonithyrididae †
- Family Tropidoleptidae Schuchert, 1896 †
- Family Tythothyrididae
- Family Weberithyrididae †
- Family Zeilleridae accepted as Zeilleriidae Schuchert, 1929
- Family Zeilleriidae Schuchert, 1929
- Genus Advenina Sandy, 1986 †
- Genus Antiptychina Zittel, 1880 †
- Genus Aulacothyris Douvillé, 1879 †
- Genus Aulacothyroides Dagis, 1965 †
- Genus Bakonyithyris Vörös, 1983 †
- Genus Calpella Owen & Rose, 1997 †
- Genus Carpatothyris Smirnova, 1975 †
- Genus Cheirothyris †
- Genus Cincta Quenstedt, 1868 †
- Genus Cinctopsis Sucic-Protic, 1985 †
- Genus Columellithyris Tchorszhevsky & Radulovic, 1984 †
- Genus Digonella Muir-Wood, 1934 †
- Genus Enodithyris Smirnova in Smirnova & Konovalov, 1986 †
- Genus Eoantiptychia Xu & Liu, 1983 †
- Genus Epicyrta Deslongchamps, 1884 †
- Genus Fimbriothyris †
- Genus Flabellothyris Eudes-Deslongchamps, 1884 †
- Genus Fletcherithyroides Dagis, 1977 †
- Genus Gemerithyris Siblik, 1977 †
- Genus Irenothyris Pozhariskaya, 1966 †
- Genus Karpatiella Sucic-Protic, 1985 †
- Genus Kedrovothyris Smirnova, 1990 †
- Genus Keratothyris Tuluweik, 1965 †
- Genus Kolymithyris Dagys, 1965 †
- Genus Lazella Radulovic, 1991 †
- Genus Macandrevia King, 1859
- Genus Menathyris Feldman, 2013 †
- Genus Misunithyris Baeza-Carratalá, Pérez-Valera & Pérez-Valera, 2018 †
- Genus Modestella Owen, 1961 †
- Genus Mycerosia Cooper, 1989 †
- Genus Neozeilleria Andrade, 2006 †
- Genus Notorygmia Cooper, 1972 accepted as Macandrevia King, 1859
- Genus Obovothyris Buckman, 1927 †
- Genus Ornithella Eudes-Deslongchamps, 1884 †
- Genus Paragusarella Shi, 1992 †
- Genus Parantiptychia Xu & Liu, 1983 †
- Species Parantiptychia robusta (Yang & Yin, 1962) †
- Genus Parathyridina Schuchert & Le Vene, 1929 †
- Genus Parathyris Douvillé, 1916 † accepted as Parathyridina Schuchert & Le Vene, 1929 †
- Genus Periallus Hoover, 1979 †
- Genus Pirotella Sucic-Protic, 1985 †
- Genus Plesiothyris Douvillé, 1879 †
- Genus Polyplectella Feldman, Owen & Hirsch, 2001 †
- Genus Rhomboidella Sucic-Protic, 1985 †
- Genus Rugitela Muir-Wood, 1936 †
- Genus Sacothyropsis Chen, Rao, Zhou & Pan, 1986 †
- Genus Securina Vörös, 1983 †
- Genus Selongthyris Wang & Chen, 2022 †
- Genus Silesiathyris Brugge, 1977 †
- Genus Sinusella Sucic-Protic, 1985 †
- Genus Somalitela Muir-Wood, 1935 †
- Genus Tauromenia Seguenza, 1885 †
- Genus Tetjuchithyris Smirnova in Smirnova & Konovalov, 1986 †
- Genus Triseptothyris Xu, 1978 †
- Genus Tubegatanella Prozorovskaya, 1968 †
- Genus Uniptychina Almeras & Elmi, 1998 †
- Genus Vectella Owen, 1965 †
- Genus Walkeria Haas, 1890 †
- Genus Worobievella Dagys, 1959 †
- Genus Zeilleria Bayle, 1878 †
- Genus Zeillerina Kyansep, 1959 †
- Family Zelleriidae Allan, 1940 † accepted as Zeilleriidae Schuchert, 1929
- Family Zugmayeriidae Dagys, 1963 †
- Genus Gwynia King, 1859
- Genus Laugekochiana Bennike in Bennike, Knudsen, Abrahamsen, Böcher, Cremer & Wagner, 2010 †
- Genus Simpliciforma Bitner & Zezina, 2013
- Genus Xana Garcia-Alcalde, 1972 † accepted as Xanastur García-Alcalde, 2021 †
- Genus Xanastur García-Alcalde, 2021 †
- Order Thecideida accepted as Spiriferida
- Class Strophomenata
- Family Mickwitziidae Gorjansky, 1969 †
- Genus Lampas Meuschen, 1787
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- 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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