Between brackets is the number of accepted species
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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
- Family Asteriidae Gray, 1840
- Genus Adelasterias Verrill, 1914
- Genus Allasterias Verrill, 1909 accepted as Asterias Linnaeus, 1758
- Genus Anasterias Perrier, 1875
- Genus Anasterias Studer, 1885 accepted as Lysasterias Fisher, 1908
- Genus Aphanasterias Fisher, 1923
- Genus Aphelasterias Fisher, 1923
- Genus Asteracanthion Müller & Troschel, 1840 accepted as Asterias Linnaeus, 1758
- Genus Asteracanthium Agassiz, 1846 accepted as Asteracanthion Müller & Troschel, 1840
- Genus Asteracanthium Brandt, 1851 accepted as Asterias Linnaeus, 1758
- Genus Asteria Linnaeus, 1767 accepted as Asterias Linnaeus, 1758
- Genus Asteria Müller, 1775 accepted as Asterias Linnaeus, 1758
- Genus Asterias Linnaeus, 1758
- Genus Asterocanthion Gray, 1847 accepted as Asteracanthion Müller & Troschel, 1840
- Genus Asterocanthium Forbes, 1841 accepted as Asteracanthion Müller & Troschel, 1840
- Genus Asteroderma Perrier, 1888 accepted as Anasterias Perrier, 1875
- Genus Astertas Koehler, 1927 accepted as Asterias Linnaeus, 1758
- Genus Astrometis Fisher, 1923
- Genus Astrostole Fisher, 1923
- Genus Australiaster Fisher, 1923 accepted as Sclerasterias Perrier, 1891
- Genus Autasterias Koehler, 1912 accepted as Notasterias Koehler, 1911
- Genus Bernasconiaster Rivadeneira, Martinez, Penchaszadeh & Brogger, 2020
- Genus Caimanaster A.M. Clark, 1962
- Genus Calasterias Hayashi, 1975
- Genus Calvasterias Perrier, 1875 accepted as Anasterias Perrier, 1875
- Genus Carlasterias Costa, 1952
- Genus Coelasterias Verrill, 1871 accepted as Stichaster Müller & Troschel, 1840
- Genus Comasterias Perrier, 1891 accepted as Cosmasterias Sladen, 1889
- Genus Coronaster Perrier, 1885
- Genus Coscinasterias Verrill, 1870
- Genus Cryptasterias Verrill, 1914
- Genus Ctenasterias Verrill, 1914 accepted as Leptasterias Verrill, 1866
- Genus Dermaster Loriol, 1900 †
- Genus Diplasterias Perrier, 1888
- Genus Diplasterias Perrier, 1891
- Species Diplasterias eunota Fisher, 1940 accepted as Diplasterias octoradiata (Studer, 1885)
- Species Diplasterias fochi Fisher, 1930 accepted as Diplasterias brucei (Koehler, 1908)
- Species Diplasterias georgiana Perrier, 1891 accepted as Neosmilaster georgianus (Studer, 1885)
- Species Diplasterias germaini (Philippi, 1858) accepted as Cosmasterias lurida (Philippi, 1858)
- Species Diplasterias induta Koehler, 1906 accepted as Cryptasterias turqueti (Koehler, 1906)
- Species Diplasterias kerguelenensis (Koehler, 1917)
- Species Diplasterias loveni Perrier, 1891 accepted as Diplasterias brandti (Bell, 1881)
- Species Diplasterias luetkeni Perrier, 1891 accepted as Diplasterias brandti (Bell, 1881)
- Species Diplasterias steineni Perrier, 1891 accepted as Neosmilaster steineni (Studer, 1885)
- Species Diplasterias sulcifera Perrier, 1891 accepted as Cosmasterias lurida (Philippi, 1858)
- Species Diplasterias turqueti Koehler, 1906 accepted as Cryptasterias turqueti (Koehler, 1906)
- Species Diplasterias vesiculosa (Sladen, 1889) accepted as Diplasterias meridionalis (Perrier, 1875)
- Genus Distolasterias Perrier, 1896
- Genus Distolaterias Delage & Hérouard, 1903
- Genus Endogenasterias Djakonov, 1938
- Genus Eoleptasterias Djakonov, 1938 accepted as Leptasterias Verrill, 1866
- Genus Eremasterias Fisher, 1930 accepted as Anasterias Perrier, 1875
- Genus Eustolasterias Fisher, 1923 accepted as Sclerasterias Perrier, 1891
- Genus Evasterias Verrill, 1914
- Genus Germanasterias Blake, 1990 †
- Genus Hemiasterias Verrill in Harriman, 1914 accepted as Granaster Perrier, 1894
- Genus Heterasterias Verrill, 1914 accepted as Coronaster Perrier, 1885
- Genus Hexasterias Fisher, 1930 accepted as Leptasterias Verrill, 1866
- Genus Hystrixasterias Blake, 1990 †
- Genus Icasterias Fisher, 1923
- Genus Kalyptasterias Koehler, 1923 accepted as Anasterias Perrier, 1875
- Genus Kenrickaster A.M. Clark, 1962
- Genus Koehleraster Fisher, 1922 accepted as Diplasterias Perrier, 1888
- Genus Leptasterias Verrill, 1866
- Genus Lethasterias Fisher, 1923
- Genus Lysasterias Fisher, 1908
- Genus Lytaster Perrier, 1894 accepted as Coscinasterias Verrill, 1870
- Genus Margaraster Gray, 1866 accepted as Uniophora Gray, 1840
- Genus Margaraster Hutton, 1872 accepted as Astrostole Fisher, 1923
- Genus Marthasterias Jullien, 1878
- Genus Meyenaster Verrill, 1913
- Genus Mortensenia da Costa, 1941
- Genus Nanaster Perrier, 1894 accepted as Stephanasterias Verrill, 1871
- Genus Nesasterias Fisher, 1930
- Genus Notasterias Koehler, 1911
- Genus Orthasterias Verrill, 1914
- Genus Paedasterias Verrill, 1914 accepted as Lysasterias Fisher, 1908
- Genus Parasterias Verrill, 1914 accepted as Asterias Linnaeus, 1758
- Genus Parastichaster Koehler, 1920 accepted as Anasterias Perrier, 1875
- Genus Pegaster Blake & Peterson, 1993 †
- Genus Perissasterias H.L. Clark, 1923
- Genus Pisaster Müller & Troschel, 1840
- Genus Plazaster Fisher, 1941
- Genus Podasterias Perrier, 1894 accepted as Diplasterias Perrier, 1891
- Genus Polarasterias Rousseau & Gale in Rousseau et al., 2018 †
- Genus Polyasterias Perrier, 1894 accepted as Coscinasterias Verrill, 1870
- Genus Psalidaster Fisher, 1940
- Genus Quadraster Perrier, 1896 accepted as Cosmasterias Sladen, 1889
- Genus Rathbunaster Fisher, 1906
- Genus Rathburnaster
- Genus Rumbleaster McKnight, 2006 accepted as Sclerasterias Perrier, 1891
- Genus Saliasterias Koehler, 1920
- Genus Savignasterias Gale, 2011 †
- Genus Sclerasterias Perrier, 1891
- Genus Sporasterias Perrier, 1893 accepted as Anasterias Perrier, 1875
- Genus Stellonia Nardo, 1834 accepted as Asterias Linnaeus, 1758
- Genus Stenasterias Verrill, 1914
- Genus Stephanasterias Verrill, 1871
- Genus Stichorella Koehler, 1920 accepted as Anasterias Perrier, 1875
- Genus Stolasterias Sladen, 1889 accepted as Coscinasterias Verrill, 1870
- Genus Stylasterias Verrill, 1914
- Genus Taranuiaster McKnight, 1973
- Genus Tarsastrocles Fisher, 1923
- Genus Triplasterias Engel & Schroevers, 1960 accepted as Sclerasterias Perrier, 1891
- Genus Uniophora Gray, 1840
- Genus Uraster L. Agassiz, 1836 accepted as Asterias Linnaeus, 1758
- Genus Urasterias Verrill, 1909
- Family Brisingidae G.O. Sars, 1875
- Family Compsasteridae Schuchert, 1915 †
- Family Forcipulatida (awaiting allocation)
- Family Heliasteridae Viguier, 1878
- Family Hymenodiscidae Mah, 1998
- Family Hymenodiscididae accepted as Hymenodiscidae Mah, 1998
- Family Labidiasteridae Verrill, 1914 accepted as Heliasteridae Viguier, 1878
- Family Neomorphasteridae Fisher, 1923 accepted as Stichasteridae
- Family Novodiniidae
- Family Pedicellasteridae Perrier, 1884
- Family Pycnopodiidae Fisher, 1928
- Family Stichasteridae
- Family Zoroasteridae Sladen, 1889
- Genus Psammaster Fau, Villier, Ewin & Gale, 2020 †
- Order Neoasteroidea (awaiting allocation)
- Order Notomyotida
- Order Paxillosida
- Order Peripoda
- Order Platyasterida
- Order Pustulosida
- Order Somasteroida †
- Order Spinulosida
- Order Trichasteropsida
- Order Uractinida †
- Order Valvatida
- 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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