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
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Class Asteroidea
- Order Asteroidea (awaiting allocation)
- Order Cryptozonia †
- Order Euaxosida †
- Order Forcipulata accepted as Forcipulatida
- Order Forcipulatida
- Order Neoasteroidea (awaiting allocation)
- Order Notomyotida
- Order Paxillosida
- Order Peripoda
- Order Platyasterida
- Order Pustulosida
- Order Somasteroida †
- Order Spinulosida
- Order Trichasteropsida
- Order Uractinida †
- Order Valvatida
- Family Archasteridae Viguier, 1878
- Family Arthrasteridae Spencer, 1918 †
- Family Asterodiscididae Rowe, 1977
- Family Asteropseidae Hotchkiss & Clark, 1976
- Family Chaetasteridae Sladen, 1889
- Family Gnathasteridae Koehler, 1924 accepted as Odontasteridae Verrill, 1899
- Family Goniasteridae Forbes, 1841
- Genus Ahuastra Mah, 2024
- Genus Akelbaster Mah, 2007
- Genus Anchitosia Mah, 2007
- Genus Antheniaster Verrill, 1899 accepted as Anthenoides Perrier, 1881
- Genus Anthenoides Perrier, 1881
- Genus Apollonaster Halpern, 1970
- Genus Asteriaceros Valette, 1933 †
- Genus Astroceramus Fisher, 1906
- Genus Astrogonium Müller & Troschel, 1842 accepted as Goniaster L. Agassiz, 1836
- Genus Astropatricia McKnight, 2006
- Genus Astrothauma Fisher, 1913
- Genus Atelorias Fisher, 1911
- Genus Atheraster Mah, 2022
- Genus Bathyferdina Mah, 2017
- Genus Billaster Olivero & López Cabrera, 2024 †
- Genus Bugarachaster Breton, 1992 †
- Genus Buterminaster Blake in Blake & Zinsmeister, 1988 †
- Genus Caletaster Breton, 1978 †
- Genus Calliaster Gray, 1840
- Genus Calliderma Gray, 1847
- Genus Capellia Blake & Reid, 1998 †
- Genus Celerina A.M. Clark, 1967
- Genus Ceramaster Verrill, 1899
- Genus Chitonaster Sladen, 1889
- Genus Chomataster Spencer, 1913 †
- Genus Churaumiastra Mah, Kogure, Fujita & Higashiji, 2024
- Genus Circeaster Koehler, 1909
- Genus Cladaster Verrill, 1899
- Genus Codellaster Blake & Kues, 2002 †
- Genus Comptonia Gray, 1840 †
- Genus Cottreauaster Wright, 1951 †
- Genus Crateraster Spencer, 1913 †
- Genus Cryptopeltaster Fisher, 1905 accepted as Hippasteria Gray, 1840
- Genus Cymbaster Breton & Néraudeau, 2008 †
- Genus Diplasiaster Halpern, 1970
- Genus Dongona Gray, 1866
- Genus Dorigona Gray, 1866 accepted as Ogmaster von Martens, 1865
- Genus Dorigona Perrier, 1885 accepted as Nymphaster Sladen, 1889
- Genus Eknomiaster HES Clark in HES Clark & D.G. McKnight, 2001
- Genus Enigmaster McKnight & H.E.S. Clark, 1996
- Genus Eosaster Mah, 2017
- Genus Eratosaster Mah, 2011
- Genus Eugoniaster Verrill, 1899 accepted as Plinthaster Verrill, 1899
- Genus Euhippasteria Dons, 1938 accepted as Hippasteria Gray, 1840
- Genus Evoplosoma Fisher, 1906
- Genus Fayoumaster Roman & Strougo, 1987 †
- Genus Floriaster Downey, 1980
- Genus Fomalhautia Blake & Reid, 1998 †
- Genus Forbesiaster Loriol, 1909 †
- Genus Fredaster Breton & Néraudeau, 2008 †
- Genus Fromia Gray, 1840
- Species Fromia andamanensis Koehler, 1909
- Species Fromia armata Koehler, 1910
- Species Fromia balanse Perrier, 1875
- Species Fromia elegans H.L. Clark, 1921
- Species Fromia elegans Engel, 1938 accepted as Fromia indica (Perrier, 1869)
- Species Fromia eusticha Fisher, 1913
- Species Fromia ghardaqana Mortensen, 1938
- Species Fromia ghardaqana Tortonese, 1979 accepted as Fromia monilis (Perrier, 1869)
- Species Fromia hadracantha H.L. Clark, 1921
- Species Fromia hemiopla Fisher, 1913
- Species Fromia indica (Perrier, 1869)
- Species Fromia japonica Perrier, 1881 accepted as Fromia monilis (Perrier, 1869)
- Species Fromia major Koehler, 1895 accepted as Fromia monilis (Perrier, 1869)
- Species Fromia mexicana Perrier, 1884
- Species Fromia milleporella (Lamarck, 1816)
- Species Fromia monilis (Perrier, 1869)
- Species Fromia narcissae Perrier, 1885 accepted as Narcissia canariensis (d'Orbigny, 1839)
- Species Fromia nodosa A.M. Clark, 1967
- Species Fromia pacifica H.L. Clark, 1921
- Species Fromia pistoria (Muller & Troschel, 1842) accepted as Fromia milleporella (Lamarck, 1816)
- Species Fromia polypora (H.L. Clark, 1916)
- Species Fromia schultzei Doderlein, 1910
- Species Fromia subtilis Perrier, 1878 accepted as Metrodira subtilis (Lutken, 1871)
- Species Fromia subulata Perrier, 1878 accepted as Metrodira subulata Gray, 1840
- Species Fromia tumida Bell, 1882
- Genus Galbaster Villier, Kutscher & Mah, 2004 †
- Genus Gigantaster Döderlein, 1924
- Genus Gilbertaster Fisher, 1906
- Genus Glyphodiscus Fisher, 1917
- Genus Goniaster L. Agassiz, 1836
- Genus Haccourtaster Jagt, 2000 †
- Genus Hessaster Gale, 2011 †
- Genus Hippasteria Gray, 1840
- Genus Hippasterias Agassiz, 1842 accepted as Hippasteria Gray, 1840
- Genus Iconaster Sladen, 1889
- Genus Iphiaster Mah, 2018
- Genus Isaster Verrill, 1894 accepted as Mediaster Stimpson, 1857
- Genus Johannaster Koehler, 1909
- Genus Kanakaster Mah, 2017
- Genus Kermitaster H.E.S. Clark, 2001
- Genus Leioastra Mah, 2018
- Genus Leptaster Loriol, 1880 †
- Genus Leptogonaster Sladen, 1889 accepted as Anthenoides Perrier, 1881
- Genus Leptogonium Pomel, 1869 †
- Genus Lithosoma Fisher, 1911
- Genus Litonotaster Verrill, 1899
- Genus Lydiaster Koehler, 1909
- Genus Mabahissaster Macan, 1938
- Genus Mariaster A.H. Clark, 1916
- Genus Marocaster Blake & Reboul, 2011 †
- Genus Mastaster Mercier, 1935 †
- Genus Mediaster Stimpson, 1857
- Genus Metopaster Sladen in Wright, 1893 †
- Genus Milteliphaster Alcock, 1893
- Genus Miopentagonaster Mercier, 1935 †
- Genus Mitelephaster Gregory in Lankester, 1900 accepted as Milteliphaster Alcock, 1893
- Genus Nectria Gray, 1840
- Genus Nehippasteria Dons, 1938 accepted as Hippasteria Gray, 1840
- Genus Neoferdina Livingstone, 1931
- Genus Nereidaster Verrill, 1899 accepted as Rosaster Perrier, 1894
- Genus Neridaster Verrill, 1899 accepted as Rosaster Perrier, 1894
- Genus Notioceramus Fisher, 1940
- Genus Noviaster Valette, 1929 †
- Genus Nymphaster Sladen, 1889
- Genus Ocalaster Blake & Portell, 2009 †
- Genus Ogmaster von Martens, 1865
- Genus Okeanosaster Mah, 2022
- Genus Ophryaster Spencer, 1913 †
- Genus Oyenaster Blake & Portell, 2009 †
- Genus Pachyaster Loriol, 1909
- Genus Parametopaster Breton, 1992 †
- Genus Pawsonaster Mah, 2007
- Genus Peedeeaster Mah, 2022 †
- Genus Peltaster Verrill, 1899
- Genus Pentagonaster Gray, 1840
- Genus Pentanogaster Gray, 1840 accepted as Pentagonaster Gray, 1840
- Genus Pentoplia H.E.S. Clark, 1971 accepted as Chitonaster Sladen, 1889
- Genus Pergamaster Koehler, 1920
- Genus Phaneraster Perrier, 1894 accepted as Goniaster L. Agassiz, 1836
- Genus Philonaster Koehler, 1909 accepted as Ceramaster Verrill, 1899
- Genus Pillsburiaster Halpern, 1970
- Genus Plinthaster Verrill, 1899
- Genus Pontioceramus Fisher, 1911
- Genus Progoniaster Döderlein, 1924
- Genus Pseudoceramaster Jangoux, 1981
- Genus Pseudogoniodiscaster Livingstone, 1930
- Genus Pulcinellaster Breton, 1992 †
- Genus Pyrenaster Verrill, 1899 accepted as Plinthaster Verrill, 1899
- Genus Recurvaster Nielsen, 1943 †
- Genus Rosaster Perrier, 1894
- Genus Ryukuaster Mah, 2007
- Genus Sibogaster Döderlein, 1924
- Genus Siraster H.L. Clark, 1915
- Genus Skiaster Blake & Jagt, 2005 †
- Genus Slellaster Müller, 1843 accepted as Stellaster Gray, 1840
- Genus Spenceraster Lambert, 1914 †
- Genus Spenceraster Cottreau, 1929 † accepted as Cottreauaster Wright, 1951 †
- Genus Spenceria Fourtau, 1914 †
- Genus Sphaeriodiscus Fisher, 1910
- Genus Sphaerodiscus Fisher, 1910
- Genus Stellaster Gray, 1840
- Genus Stellaster Gray, 1840, nom. nud. accepted as Stellaster Gray, 1840
- Genus Stellasteropsis Dollfus, 1936
- Genus Stephanaster Ayres, 1851 accepted as Pentagonaster Gray, 1840
- Genus Sthenaster Mah, Nizinski & Lundsten, 2010
- Genus Styphlaster H.L. Clark, 1938
- Genus Sucia Blake, 1973 †
- Genus Talecaster Breton, 1992 †
- Genus Teichaster Spencer, 1913 †
- Genus Tessellaster H.L. Clark, 1941
- Genus Tomidaster Sladen, 1891 †
- Genus Toraster A.M. Clark, 1952
- Genus Tosia Gray, 1840
- Genus Tosiaster Verrill, 1914 accepted as Ceramaster Verrill, 1899
- Genus Tylaster Spencer, 1913 † accepted as Tylasteria Valette, 1930 †
- Genus Tylasteria Valette, 1930 †
- Genus Wallastra Mah, 2018
- Genus Weitschataster Neumann & Girod, 2018 †
- Family Gymnasteriidae accepted as Asteropseidae Hotchkiss & Clark, 1976
- Family Leilasteridae Jangoux & Aziz, 1988
- Family Linckiidae Viguier, 1878 accepted as Ophidiasteridae Verrill, 1870
- Family Mithrodiae Viguier, 1878 accepted as Mithrodiidae Viguier, 1878
- Family Mithrodidae Perrier, 1893 accepted as Mithrodiidae Viguier, 1878
- Family Neopalaeasteridae Schuchert, 1915 †
- Family Odontasteridae Verrill, 1899
- Family Ophidiasteridae Verrill, 1870
- Family Ophiodiasteridae
- Family Oreasteridae Fisher, 1911
- Family Pentopliidae H.E.S. Clark, 1971 accepted as Goniasteridae Forbes, 1841
- Family Podosphaerasteridae Fujita & Rowe, 2002
- Family Pseudarchasteridae
- Family Pycinasteridae Spencer & Wright, 1966 †
- Family Radiasteridae Fisher, 1916
- Family Sphaerasteridae Schöndorf, 1906
- Family Stauranderasteridae Spencer, 1913 †
- Family Tropidasteridae Wright, 1880 †
- Family Valvatida (awaiting allocation)
- Order Velatida
- Family Embolasteridae Blake, 2008 †
- Family Fandasteridae Blake & Elliott, 2003 †
- Family Hudsonasteridae Schuchert, 1914 †
- Family Paulasteriidae Mah et al., 2015
- Genus Eriaster Blake & Guensburg, 2005 †
- Genus Forbesasterias Fau, Wright, Ewin, Gale & Villier, 2024 †
- Genus Marbleaster Fau, Wright, Ewin, Gale & Villier, 2024 †
- Genus Superstesaster Villier et al., 2017 †
- Class Asterozoa (awaiting allocation)
- Class Blastoidea †
- Class Cornuta
- Class Coronata
- Class Coronoidea †
- Class Crinoidea
- Class Ctenocystoidea †
- Class Cystoidea
- Class Diploporita †
- Class Echinodermata (awaiting allocation)
- Class Echinodermata incertae sedis
- Class Echinoidea
- Class Edrioasteroidea †
- Class Edrioblastoidea †
- Class Eocrinoidea †
- Class Helicoplacoidea †
- Class Holothuroidea
- Class Homoiostelea †
- Class Homostelea †
- Class Ophiocistioidea †
- Class Ophiuroidea
- Class Parablastoidea †
- Class Paracrinoidea †
- Class Rhombifera †
- Class Somasteroidea
- Class Stelleroidea
- Class Stylophora †
- Genus Anadema Meuschen, 1787
- Genus Artocrea Meuschen, 1787
- Genus Birita Meuschen, 1787
- Genus Disci-transfixus Meuschen, 1787
- Genus Galea Meuschen, 1787
- Genus Olivaeformis Meuschen, 1787
- Genus Stribilita Meuschen, 1787
- 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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