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Spiraclavus Sumrall 1992

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Echinodermata

Spiraclavus Sumrall 1992 (هذه الصفحة)

Spiraclavus nacoensis

Achradocystites Volborth 1870

Aenigmatocystis Clark 1925

Agelacrinitidae

Ambolostomatidae

Amygdalocystidae

Ascocystites Barrande 1887

Asperellacystis Stukalina & Hints 1987

Asteroblastidae

Asteroidea

Astrocystites Whiteaves 1897

Astrocystitidae

Ataxiacrinus Lyon 1869

Belochthus Bell 1976

Bolboporites Pander 1830

Branzoviella Prokop & Petr 2002

Cadiscocrinus Kirk 1945

Calliasterellidae

Callocystitidae

Camptostroma Ruedemann 1933

Castericystis Ubaghs & Robison 1985

Ceratoblastidae

Ceratocystis Jaekel 1901

Cheirocrinidae

Cidaroblastus Hambach 1903

Clavidiscus Sumrall 1996

Coccocrinus Müller 1855

Codasteridae

Codonites Meek & Worthen 1869

Crinoidea

Crinosoma Castelnau 1843

Ctenocystidae

Cupressocrinus Agassiz 1836

Curvitriordo Bell 1976

Cymbionites Whitehouse 1941

Cystoblastidae

Dallonia Lambert 1916

Dendrocystitidae

Dolichoblastus Breimer & Macurda 1972

Drepanocrinus Jaekel 1918

Echinasterella Stürtz 1890

Echinoidea

Echinosphaeritidae

Edrioasteridae

Eldonia Walcott 1911

Emuhablastus Waters, Maples, Lane, Marcus, Liao, Liu, Hou & Wang 2003

Eocystites Hartt 1868

Eucladiidae

Giganticlavus Sumrall & Bowsher 1996

Goniasteroidocrinus Lyon & Casseday 1859

Grabauicrinus Waters, Maples, Lane, Marcus, Liao, Liu, Hou & Wang 2003

Helicoplacidae

Hemicystitidae

Hemipalaeaster Foerste 1919

Holothuroidea

Hypsiclavus Sumrall 1996

Idiocrinus Wachsmuth & Springer 1892

Imperatoria de Gregorio 1930

Inyoaster Phleger 1936

Julieticrinus Waters, Maples, Lane, Marcus, Liao, Liu, Hou & Wang 2003

Lanxocolumnus Donovan 1995

Lebetodiscidae

Lepidocystis Foerste 1938

Lobocarpus Ubaghs 1998

Macrocystellidae

Mesocystidae

Mitrocystitidae

Nymphaeoblastidae

Oanducystis Stukalina 1979

Ocellothuria Boczarowski 2001

Ophiuroidea

Ophiurus Link 1807

Orophocrinidae

Pachyblastus Breimer & Macurda 1972

Peltocystidae

Platycystites Miller 1889

Pleurocystitidae

Pogocrinus Gagnebin 1930

Protocrinitidae

Prototiara Lambert 1897

Rectitriordo Bell 1976

Rhenopyrgidae

Rhopalocystidae

Rutroclypeidae

Sarsella Pomel 1883

Scoteinocystis Ubaghs 1998

Scyphocrinus Hall 1847

Shumardocrinus Miller & Gurley 1895

Sinclairocystis Bassler 1950

Solacolumnus Donovan 1995

Sollasinidae

Sphaeronitidae

Squamaster Ringueberg 1886

Strimplecystis Bassler 1950

Stromatocystitidae

Teratocrinus Wanner 1924

Tetraster Nicholson & Etheridge 1880

Totiglobus Bell & Sprinkle 1978

Tylocrinus Wood 1904

Westgardellidae

Zeacrinus Hall 1858

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