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Cyathoformes
Taxonomy
Cyathoformes was named by Wright et al. (2017). It is not extant. It was considered monophyletic by Wright et al. (2017).
It was assigned to Articuliformes by Mao et al. (2018); and to Eucladida by Wright et al. (2017), Wright et al. (2019), Ausich et al. (2019), Webster et al. (2025).
It was assigned to Articuliformes by Mao et al. (2018); and to Eucladida by Wright et al. (2017), Wright et al. (2019), Ausich et al. (2019), Webster et al. (2025).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2017 | Cyathoformes Wright et al. |
| 2018 | Cyathoformes Mao et al. p. 1069 |
| 2019 | Cyathoformes Ausich et al. |
| 2019 | Cyathoformes Wright et al. |
| 2025 | Cyathoformes Webster et al. p. 659 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Superor. †Cyathoformes Wright et al. 2017
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G. †Barycrinus Meeke and Worthen 1868
+
†Barycrinus rhombiferus Owen and Shumard 1852
†Barycrinus spurius Hall 1868
G. †Botryocrinus Angelin 1878
+
†Botryocrinus ramosissimus Angelin 1878
†Botryocrinus thomasi Laudon 1936
Or. †Cyathocrinida Bather 1899
+
Superfm. †Codiacrinoidea Bather 1890
+
Fm. †Codiacrinidae Bather 1890
+
Subfm. †Codiacrininae Bather 1890
+
G. †Codiacrinus Schultze 1866
G. †Lecythiocrinus White 1880
G. †Thyridocrinus Kirk 1944
G. †Cydonocrinus Bather 1913
+
†Cydonocrinus insuetus Arendt 1970
†Cydonocrinus parvulus Bather 1913
†Cydonocrinus turbinatus Wanner 1916
G. †Elicrinus Prokop 1973
G. †Embryocrinus Wanner 1916
+
†Embryocrinus bashkiricus Arendt 1970
†Embryocrinus hanieli Wanner 1916
†Embryocrinus variabilis Arendt 1970
G. †Hypocrinus Beyrich 1862
+
†Hypocrinus minimus Arendt 1970
†Hypocrinus schneideri Beyrich 1862
†Hypocrinus tschuvashovi Arendt and Vanin 1981
†Hypocrinus yakovlevi Arendt 1970
G. †Nereocrinus Wanner 1924
+
†Nereocrinus antiquus Wanner 1924
†Nereocrinus granulatus Wanner 1924
†Nereocrinus jemeljantzewi Yakovlev 1937
Invalid names: Oceanocrinus Wanner 1924 [synonym]
Subfm. †Thetidicrininae Wanner 1916
+
G. †Asymmetrocrinus Wanner 1937
G. †Edapocrinus Wright 1935
G. †Paracydonocrinus Arendt 1970
G. †Parathetidicrinus Arendt 1996
G. †Thetidicrinus Wanner 1916
Fm. †Oligobrachyocrinidae Arendt 1981
+
G. †Harrellicrinus Arendt and Broadhead 1982
+
†Harrellicrinus tuberculatus Arendt 1981
Invalid names: Strimplecrinus Arendt 1981 [replaced]
Fm. †Streblocrinidae Lane 1967
+
G. †Coenocystis Girty 1909
+
†Coenocystis angulosus Wanner 1929
†Coenocystis perforata Wanner 1929
†Coenocystis richardsoni Girty 1909
†Coenocystis somoholensis Wanner 1924
G. †Lampadosocrinus Strimple and Koenig 1956
+
†Lampadosocrinus minutus Peck 1936
†Lampadosocrinus variabilis Webster and Jell 1992
Superfm. †Cyathocrinitoidea Roemer 1854
+
Fm. †Cyathocrinitidae Roemer 1854
+
G. †Anarchocrinus Jaekel 1918
G. †Ceratocrinus Wanner 1937
G. †Conicocyathocrinites Frest 1977
+
†Conicocyathocrinites decatur Springer 1926
†Conicocyathocrinites longimanus Angelin 1878
†Conicocyathocrinites wilsoni Springer 1926
G. †Cyathocrinites Miller 1821
+
†Cyathocrinites asperrimus Springer 1911
†Cyathocrinites barrisi Hall 1861
†Cyathocrinites barydactylus Wachsmuth and Springer 1878
†Cyathocrinites chouteauensis Miller and Gurley 1985
†Cyathocrinites deroseari Kammer and Gahn 2003
†Cyathocrinites farleyi Meek and Worthen 1966
†Cyathocrinites gilesi Wachsmuth and Springer 1878
†Cyathocrinites harrodi Wachsmuth and Springer 1880
†Cyathocrinites iowensis Owen and Shumard 1850
†Cyathocrinites kelloggi White 1862
†Cyathocrinites multibrachiatus Lyon and Casseday 1859
†Cyathocrinites planus Miller 1821
†Cyathocrinites ramosus von Schlotheim 1816
†Cyathocrinites rigidus White 1862
†Cyathocrinites sampsoni Miller 1891
†Cyathocrinites simplex Kammer and Roeser 2012
Invalid names: Cyathocrinus Miller 1821 [objective synonym]
G. †Gissocrinus Angelin 1878
+
†Gissocrinus ludensis Ramsbottom 1958
†Gissocrinus voiseyi Willink 1979
G. †Levicyathocrinites Frest 1977
+
†Levicyathocrinites acinotubus Angelin 1878
†Levicyathocrinites sablensis Ausich and Copper 2010
G. †Meniscocrinus Ausich and Kammer 1996
G. †Rugosocyathocrinites Frest 1977
+
†Rugosocyathocrinites pauli Frest 1977
†Rugosocyathocrinites sanduskyensis Frest 1977
†Rugosocyathocrinites striatissimus Frest 1977
Fm. †Euspirocrinidae Bather 1890
+
G. †Ampheristocrinus Hall 1879
G. †Caelocrinus
G. †Eoparisocrinus Ausich 1986
G. †Euspirocrinus Angelin 1878
+
†Euspirocrinus gagnoni Ausich and Copper 2010
†Euspirocrinus hintsae Ausich et al. 2019
†Euspirocrinus spiralis Angelin 1878
G. †Vasocrinus Lyon 1857
G. †Zygotocrinus Kirk 1943
Invalid names: Ampheristocrinidae Miller 1889 [synonym], Parisocrinidae Jaekel 1918 [synonym]
Fm. †Lecythocrinidae Kirk 1934
+
G. †Cestocrinus Kirk 1940
G. †Corynecrinus Kirk 1934
G. †Tetrapleurocrinus Wanner 1942
Fm. †Thalamocrinidae Miller and Gurley 1895
+
G. †Thalamocrinus Miller and Gurley 1895
+
†Thalamocrinus daoustae Ausich and Cournoyer 2019
†Thalamocrinus ovatus Miller and Gurley 1895
Superfm. †Gasterocomacea Roemer 1854
+
Fm. †Cupressocrinitidae Roemer 1954
+
G. †Halocrinites Steininger 1831
G. †Procupressocrinus Jaekel 1918
G. †Rhopalocrinus Wachsmuth and Springer 1880
Fm. †Gasterocomidae Roemer 1854
+
G. †Kopficrinus Goldring 1954
G. †Lecythocrinus Mueller 1858
G. †Mictocrinus Goldring 1923
G. †Myrtillocrinus Sandberger 1856
G. †Nanocrinus Mueller 1856
G. †Schultzicrinus Springer 1911
G. †Scoliocrinus Jaekel 1895
Fm. †Petalocrinidae Weller and Davidson 1896
+
G. †Eopetalocrinus Li 1993
G. †Sinopetalocrinus Mu and Lin 1987
G. †Spirocrinus Mu and Wu 1974
G. †Vadarocrinus Prokop 1983
Superfm. †Gasterocomoidea Roemer 1854
+
Fm. †Crotalocrinitidae Bassler 1938
+
G. †Achradocrinus Schultze 1866
G. †Arachnocrinus Meek and Worthen 1866
G. †Crotalocrinites Austin 1842
+
†Crotalocrinites borealis Yeltyschewa 1955
†Crotalocrinites rugosus Miller 1821
G. †Elgaecrinus Rozhnov 2018
G. †Enallocrinus Orbigny 1850
G. †Parapernerocrinus Yakovlev 1949
G. †Pernerocrinus Bouska 1946
G. †Syndetocrinus Kirk 1933
Superfm. †Hypocrinacea Wanner 1916
+
Fm. †Acariaiocrinidae Arendt 1970
+
G. †Acariaiocrinus Wanner 1924
+
†Acariaiocrinus angulosus Wanner 1924
†Acariaiocrinus clavulus Wanner 1924
G. †Hemistreptacron Yakovlev 1926
+
†Hemistreptacron abrachiatum Yakovlev 1926
†Hemistreptacron tchatlykense Arendt 1970
Fm. †Hypocrinidae Wanner 1916
+
Subfm. †Amphipsalidocrininae Arendt 1970
+
G. †Amphipsalidocrinus Weller 1930
+
Invalid names: Octocrinus Peck 1936 [synonym], Tytthocrinus Weller 1930 [synonym]
Subfm. †Cranocrininae Arendt 1970
+
G. †Cranocrinus Wanner 1929
G. †Hydroporocrinus Arendt 1970
G. †Tenagocrinus Wanner 1929
Fm. †Lageniocrinidae Arendt 1970
+
G. †Clistocrinus Kirk 1937
+
†Clistocrinus concinnus Arendt 1970
†Clistocrinus pyriformis Kirk 1937
Invalid names: Clithrocrinus Kirk 1937 [objective synonym]
G. †Dichostreblocrinus Weller 1930
+
†Dichostreblocrinus piriformis Strimple and Koenig 1956
†Dichostreblocrinus scrobiculus Weller 1930
†Dichostreblocrinus timorensis Marez Oyens 1940
G. †Lageniocrinus de Koninck 1854
+
†Lageniocrinus jacksoni Austin and Austin 1843
†Lageniocrinus maximus Arendt 1970
†Lageniocrinus seminulum de Koninck 1854
G. †Neolageniocrinus Arendt 1970
+
†Neolageniocrinus cassidus Weller 1930
†Neolageniocrinus shichanensis Arendt 1970
†Neolageniocrinus timorensis Wanner 1920
Fm. †Pilidiocrinidae Arendt 1970
+
Fm. †Sycocrinitidae Lane 1967
+
G. †Allosycocrinus Wanner 1924
+
†Allosycocrinus grandis Wanner 1924
†Allosycocrinus medius Wanner 1924
†Allosycocrinus pusillus Wanner 1924
G. †Koivocrinus Arendt 1996
G. †Monobrachiocrinus Wanner 1916
+
†Monobrachiocrinus ficiformis Wanner 1916
†Monobrachiocrinus kolvensis Arendt 1970
†Monobrachiocrinus oviformis Yakovlev 1926
†Monobrachiocrinus siciliensis Yakovlev 1930
†Monobrachiocrinus waitzi Marez Oyens 1940
G. †Streptostomocrinus Yakovlev 1927
+
†Streptostomocrinus caryophylloides Yakovlev 1927
†Streptostomocrinus tsherepanovae Arendt 1981
G. †Parastephanocrinus Springer 1926
Invalid names: Codiacrinacea Bather 1890 [empty]
Or. †Dendrocrinida Bather 1899
+
Fm. †Aesiocrinidae Webster and Lane 2007
+
G. †Elassocrinus Webster and Lane 2007
+
†Elassocrinus cyathus Webster and Lane 2007
†Elassocrinus delicatulus Lane and Webster 1966
†Elassocrinus inornatus Lane and Webster 1966
†Elassocrinus nodosus Webster and Lane 1967
G. †Lecobasicrinus Strimple and Watkins 1969
G. †Moundocrinus Strimple 1939
G. †Paracymbiocrinus Burdick and Strimple 1973
G. †Polusocrinus Strimple 1951
+
†Polusocrinus amplus Lane and Webster 1966
†Polusocrinus calyculoides Lane 1964
†Polusocrinus pachyplax Lane 1964
†Polusocrinus rosa Strimple 1951
Superfm. †Agassizocrinoidea Miller 1888
+
Fm. †Agassizocrinidae Miller 1889
+
G. †Anartiocrinus Kirk 1940
G. †Epipetschoracrinus Yakovlev 1956
G. †Paragassizocrinus Moore and Plummer 1940
+
†Paragassizocrinus kendrickensis Strimple and Knapp 1966
G. †Petschoracrinus Jakovlev 1928
Fm. †Anobasicrinidae Strimple 1961
+
G. †Parasciadiocrinus Mirantsev and Arendt 2013
+
†Parasciadiocrinus lancetospinosus Mirantsev and Arendt 2013
G. †Rautscholdticrinus Webster and Donovan 2015
+
†Rautscholdticrinus indicus Wanner 1916
†Rautscholdticrinus weidneri Wanner 1937
G. †Sciadiocrinus Moore and Plummer 1937
+
†Sciadiocrinus cascus Moore and Strimple 1973
†Sciadiocrinus crassacanthus Moore and Plummer 1938
†Sciadiocrinus humilis Strimple 1951
†Sciadiocrinus tegillum Strimple and Moore 1971
G. †Synyphocrinus Trautschold 1881
+
†Synyphocrinus permicus Lane and Webster 1966
†Synyphocrinus trautscholdi Wanner 1924
†Synyphocrinus weidneri Wanner 1937
Invalid names: Trimerocrinidae Moore and Laudon 1943 [empty]
Superfm. †Apographiocrinoidea Moore and Laudon 1943
+
Fm. †Apographiocrinidae Moore and Laudon 1943
+
G. †Apographiocrinus Moore and Plummer 1940
+
†Apographiocrinus komukensis Webster and Jell 1993
†Apographiocrinus nodosus Webster 2012
†Apographiocrinus platybasis Pabian and Strimple 1980
†Apographiocrinus pumila Moore and Plummer 1940
†Apographiocrinus rugosus Wanner 1916
†Apographiocrinus typicalis Moore and Pummer 1940
Fm. †Pachylocrinidae Kirk 1942
+
G. †Pachylocrinus Wachsmuth and Springer 1879
+
†Pachylocrinus aequalis Hall 1861
†Pachylocrinus plumifer Whidborne 1898
†Pachylocrinus subtortuosus Hall 1863
G. †Plummericrinus Moore and Laudon 1943
+
†Plummericrinus bulbosus Webster and Lane 2007
†Plummericrinus expansus Moore and Strimple 1973
†Plummericrinus jelli Webster and Lane 2007
Fm. †Bridgerocrinidae Webster and Lane 2007
+
G. †Bridgerocrinus Laudon and Severson 1953
+
†Bridgerocrinus arachnoideus Whidborne 1898
†Bridgerocrinus discus Waters et al. 2003
†Bridgerocrinus stadiodactylus Whidborne 1896
G. †Melbacrinus Strimple 1939
Superfm. †Cromyocrinoidea Bather 1890
+
Fm. †Cromyocrinidae Bather 1890
+
G. †Aglaocrinus Strimple 1961
+
†Aglaocrinus compactus Moore and Plummer 1940
†Aglaocrinus magnus Strimple 1949
Invalid names: Tarachiocrinus Strimple 1962 [synonym]
G. †Dicromyocrinus Jaekel 1918
+
†Dicromyocrinus granularis Easton 1962
†Dicromyocrinus medius Moore and Strimple 1973
†Dicromyocrinus optimus Strimple 1951
†Dicromyocrinus subaplatus Moore and Strimple 1973
G. †Ethelocrinus Kirk 1937
G. †Mantikosocrinus Strimple 1951
G. †Metacromyocrinus Strimple 1961
+
†Metacromyocrinus gillumi Strimple 1966
†Metacromyocrinus papulosus Moore and Plummer 1938
G. †Moapacrinus Lane and Webster 1966
+
†Moapacrinus cuneatus Webster and Jell 1999
†Moapacrinus dovjensis Ausich et al. 2024
†Moapacrinus inornatus Webster and Lane 1967
†Moapacrinus omanensis Webster et al. 2009
†Moapacrinus rotundatus Lane and Webster 1966
Invalid names: Moapacrinus cuneatus Webster and Jell 1999 [valid], Moapacrinus dovjensis Ausich et al. 2024 [valid], Moapacrinus inornatus Webster and Lane 1967 [valid], Moapacrinus omanensis Webster et al. 2009 [valid], Moapacrinus rotundatus Lane and Webster 1966 [valid]
G. †Moapacrinus Lane and Webster 1966
+
†Moapacrinus cuneatus Webster and Jell 1999
†Moapacrinus dovjensis Ausich et al. 2024
†Moapacrinus inornatus Webster and Lane 1967
†Moapacrinus omanensis Webster et al. 2009
†Moapacrinus rotundatus Lane and Webster 1966
Invalid names: Moapacrinus cuneatus Webster and Jell 1999 [valid], Moapacrinus dovjensis Ausich et al. 2024 [valid], Moapacrinus inornatus Webster and Lane 1967 [valid], Moapacrinus omanensis Webster et al. 2009 [valid], Moapacrinus rotundatus Lane and Webster 1966 [valid]
G. †Mooreocrinus Wright and Strimple 1945
G. †Parethelocrinus Strimple 1961
+
†Parethelocrinus ellipticus Strimple 1961
†Parethelocrinus rectilatus Lane and Webster 1966
†Parethelocrinus variabilis Strimple 1949
G. †Parulocrinus Moore and Plummer 1940
+
†Parulocrinus americanus Weller 1909
†Parulocrinus blairi Miller and Gurley 1893
†Parulocrinus pontiacensis Strimple and Moore 1971
†Parulocrinus vetulus Lane 1964
G. †Synarmocrinus Lane 1964
+
†Synarmocrinus brachiatus Lane 1964
†Synarmocrinus depressus Washburn 1968
†Synarmocrinus iatani Strimple 1949
G. †Ulocrinus Miller and Gurley 1890
+
†Ulocrinus blairi Miller and Gurley 1893
†Ulocrinus buttsi Miller and Gurley 1888
†Ulocrinus fistulosus Strimple and Moore 1971
†Ulocrinus qiaoi Mao et al. 2018
Fm. †Parindocrinidae Arendt 1981
+
Invalid names: Cadocrinidae Moore and Laudon 1943 [empty]
Superfm. †Dendrocrinacea Wachsmuth and Springer 1886
+
Fm. †Colpodecrinidae Sprinkle and Kolata 1982
+
G. †Archaetaxocrinus Lewis 1981
G. †Colpodecrinus Sprinkle and Kolata 1982
Fm. †Dendrocrinidae Wachsmuth and Springer 1886
+
G. †Alsopocrinus Tansey 1922
G. †Atractocrinus Kirk 1948
G. †Bactrocrinites Schnur 1849
+
†Bactrocrinites jaekeli Schmidt 1934
†Bactrocrinites robustus Pidal 2008
Invalid names: Bactrocrinus Quenstedt 1875 [nomen vanum]
G. †Dendrocrinus Hall 1852
+
†Dendrocrinus latibrachiatus Billings 1857
†Dendrocrinus leptos Ausich and Copper 2010
†Dendrocrinus longidactylus Hall 1852
†Dendrocrinus minutus Twenhofel 1928
†Dendrocrinus simcoensis Wright et al. 2019
†Dendrocrinus tener Billings 1866
Invalid names: Dendrocrinus acutidactylus Billings 1859 [invalid subgroup]
G. †Esthonocrinus Jeakel 1918
G. †Grenprisia Moore 1962
G. †Ottawacrinus Billings 1887
G. †Parisangulocrinus Schmidt 1934
G. †Plicodendrocrinus Brower 1995
+
†Plicodendrocrinus casei Meek 1871
†Plicodendrocrinus epinettensis Ausich and Copper 2010
†Plicodendrocrinus martini Ausich and Cournoyer 2019
†Plicodendrocrinus observationensis Ausich and Copper 2010
†Plicodendrocrinus petryki Ausich and Cournoyer 2019
†Plicodendrocrinus proboscidiatus Billings 1857
Invalid names: Ottawacrinidae Moore and Laudon 1943 [synonym]
Superfm. †Glossocrinacea Webster et al. 2003
+
Fm. †Amabilicrinidae Webster et al. 2003
+
G. †Bufalocrinus Webster et al. 2003
G. †Cydrocrinus Kirk 1940
+
†Cydrocrinus concinnus Meek and Worthen 1870
†Cydrocrinus coxanus Worthen 1882
†Cydrocrinus subramulosus Worthen 1882
G. †Gilmocrinus Lauden 1933
G. †Guilinocrinus Chen 1997
G. †Hallocrinus Goldring 1923
G. †Moroccocrinus Webster et al. 2005
G. †Mrakibocrinus Webster et al. 2005
Fm. †Glossocrinidae Goldring 1923
+
G. †Catactocrinus Goldring 1923
G. †Charientocrinus Goldring 1923
+
†Charientocrinus bellitubatus Kesling 1973
†Charientocrinus ithacensis Goldring 1923
G. †Liparocrinus Goldring 1923
Fm. †Rutkowskicrinidae McIntosh 2001
+
G. †Decorocrinus McIntosh 2001
+
†Decorocrinus arkonensis Goldring 1950
†Decorocrinus cooperi Goldring 1926
G. †Propoteriocrinus Schmidt 1934
+
†Propoteriocrinus scopae Schmidt 1934
Invalid names: Poteriocrinus Agassiz 1836 [synonym]
G. †Quantoxocrinus Webby 1965
+
†Quantoxocrinus clarkei Williams 1882
†Quantoxocrinus ussheri Webby 1965
Superfm. †Graphiocrinoidea Webster and Donovan 2015
+
Fm. †Stachyocrinidae Moore and Strimple 1973
+
G. †Parastachyocrinus Wanner 1949
+
†Parastachyocrinus granulatus Wanner 1924
+
Invalid names: Sinocrinus microgranulosus Tien 1926 [synonym]
†Parastachyocrinus inflatus Wanner 1949
†Parastachyocrinus malaianus Wanner 1924
†Parastachyocrinus obliquus Wanner 1916
†Parastachyocrinus ornatus Wanner 1949
†Parastachyocrinus sloveniaensis Ausich et al. 2024
†Parastachyocrinus wanneri Ausich et al. 2024
Fm. †Kraterocrinidae Webster and Donovan 2012
+
Superfm. †Mastigocrinoidea Jaekel 1918
+
Fm. †Mastigocrinidae Jaekel 1918
+
G. †Antihomocrinus Schmidt 1934
G. †Atelestocrinus Wachsmuth and Springer 1886
+
†Atelestocrinus delicatus Wachsmuth and Springer 1886
†Atelestocrinus meszarosi Kammer and Roeser 2012
G. †Bathericrinus Jaekel 1918
+
†Bathericrinus ericius Schmidt 1934
†Bathericrinus hystrix Schmidt 1934
†Bathericrinus semipinnulatus Schmidt 1934
†Bathericrinus spaciosus Schmidt 1934
G. †Belanskicrinus Strimple and Levorson 1969
G. †Cradeocrinus Goldring 1923
G. †Dictenocrinus Jaekel 1918
G. †Eifelocrinus Wanner 1916
G. †Follicrinus Schmidt 1934
G. †Kalpidocrinus Goldring 1954
G. †Lasiocrinus Kirk 1914
G. †Nassoviocrinus Jaekel 1918
+
†Nassoviocrinus chilmanae McIntosh 2001
†Nassoviocrinus corcorani Jell 1999
†Nassoviocrinus costatus Goldring 1954
†Nassoviocrinus duluki Kesling 1969
†Nassoviocrinus longibrachiatus Chapman 1903
†Nassoviocrinus ornatus Goldring 1954
†Nassoviocrinus pachydactylus Sandberger and Sandberger 1855
†Nassoviocrinus rarifissus Jaekel 1918
†Nassoviocrinus schultzei Haarmann 1921
G. †Streptocrinus Wachsmuth and Springer 1886
Fm. †Thenarocrinidae Jaekel 1918
+
Superfm. †Merocrinacea Miller 1890
+
Superfm. †Mollocrinoidea Wanner 1916
+
Fm. †Mollocrinidae Wanner 1916
+
G. †Hemimollocrinus Yakovlev 1930
G. †Mollocrinus Wanner 1916
+
†Mollocrinus ornatissimus Wanner 1916
†Mollocrinus paucituberculatus Wanner 1924
†Mollocrinus poculum Wanner 1916
G. †Strongylocrinus Wanner 1916
+
†Strongylocrinus hansoni Moore and Strimple 1973
†Strongylocrinus molengraffi Wanner 1916
†Strongylocrinus ornatus Moore and Strimple 1973
Invalid names: Mollocrinacea Wanner 1916 [objective synonym]
Superfm. †Pirasocrinacea Moore and Laudon 1943
+
Superfm. †Pirasocrinoidea Moore and Laudon 1943
+
Fm. †Pirasocrinidae Moore and Laudon 1943
+
G. †Affinocrinus Knapp 1969
+
†Affinocrinus grandis Moore and Strimple 1973
†Affinocrinus normalis Moore and Strimple 1973
†Affinocrinus progressus Moore and Strimple 1973
G. †Dasciocrinus Kirk 1939
G. †Eirmocrinus Strimple and Watkins 1969
+
†Eirmocrinus brewi Webster and Lane 1970
+
Invalid names: Eirmocrinus jeani Brew and Beus 1976 [synonym]
G. †Exterocrinus Knapp 1969
G. †Lasanocrinus Moore and Plummer 1940
+
†Lasanocrinus daileyi Strimple 1940
†Lasanocrinus minutus Moore and Strimple 1973
†Lasanocrinus multinodulus Moore and Strimple 1973
†Lasanocrinus nodatus Moore and Strimple 1973
†Lasanocrinus strigosus Moore and Plummer 1938
G. †Metutharocrinus Moore and Strimple 1973
+
†Metutharocrinus cockei Moore and Strimple 1973
†Metutharocrinus spinifer Moore and Strimple 1973
†Metutharocrinus undulatus Moore and Strimple 1973
G. †Perimestocrinus Moore and Plummer 1937
+
†Perimestocrinus excavatus Weller 1909
†Perimestocrinus nevadensis Lane and Webster 1966
†Perimestocrinus oasis Webster and Lane 1967
†Perimestocrinus teneris Moore and Plummer 1938
G. †Plaxocrinus Moore and Plummer 1937
+
†Plaxocrinus crassidiscus Miller and Gurley 1894
†Plaxocrinus piutae Lane and Webster 1966
G. †Stenopecrinus Strimple 1961
+
†Stenopecrinus ornatus Moore and Strimple 1973
†Stenopecrinus xerophilus Lane and Webster 1966
G. †Vertigocrinus Knapp 1969
+
†Vertigocrinus parilis Moore and Plummer 1940
†Vertigocrinus subtilis Moore 1939
Superfm. †Timorocidaroidea Arendt 1981
+
Fm. †Timorocidaridae Arendt 1981
+
G. †Timorocidaris Wanner 1920
+
†Timorocidaris baculiformis Wanner 1940
†Timorocidaris clavaeformis Wanner 1940
†Timorocidaris fungiformis Wanner 1940
†Timorocidaris fusiformis Wanner 1940
†Timorocidaris pistilliformis Wanner 1940
†Timorocidaris sphaeracantha Wanner 1920
Invalid names: Mastigocrinacea Jaekel 1918 [empty], Plicodendrocrinacea Jell 1999 [empty], Poteriocrinida Jaekel 1918 [synonym]
Superfm. †Erisocrinoidea Wachsmuth and Springer 1886
+
Fm. †Catacrinidae Knapp 1969
+
G. †Arrectocrinus Knapp 1969
+
†Arrectocrinus iowensis Pabian and Strimple 1980
†Arrectocrinus major Weller 1909
†Arrectocrinus texanus Weller 1909
G. †Endelocrinus Moore and Plummer 1940
+
†Endelocrinus matheri Moore and Plummer 1937
†Endelocrinus rotundus Strimple 1962
†Endelocrinus torus Webster and Lane 1967
G. †Graffhamicrinus Strimple 1961
+
†Graffhamicrinus acutus Strimple 1961
†Graffhamicrinus boellstorffi Pabian and Strimple 1974
†Graffhamicrinus crassus Wanner 1924
†Graffhamicrinus magnijkus Strimple 1947
†Graffhamicrinus subcoronatus Moore and Plummer 1940
†Graffhamicrinus waughi Moore and Strimple 1941
G. †Palmerocrinus Knapp 1969
+
†Palmerocrinus kesslerensis Moore and Strimple 1973
†Palmerocrinus profundus Moore and Strimple 1973
G. †Paraplasocrinus Moore and Plummer 1937
+
†Paraplasocrinus transitorius Wanner 1916
+
Invalid names: Paraplasocrinus mammillaris Wanner 1916 [synonym]
Fm. †Erisocrinidae Miller 1889
+
G. †Erisocrinus Meek and Worthen 1865
+
†Erisocrinus araxensis Yakovlev 1933
†Erisocrinus longwelli Lane and Webster 1966
†Erisocrinus propinquus Weller 1909
†Erisocrinus typus Meek and Worthen 1865
†Erisocrinus wapanucka Strimple 1961
G. †Exaetocrinus
G. †Parallelocrinus Miller 1889
G. †Sinocrinus Tien 1926
+
†Sinocrinus sheareri Strimple and Watkins 1969
+
Invalid names: Sinocrinus asymmetricus Strimple 1976 [synonym]
†Sinocrinus websteri Ausich et al. 2024
Fm. †Graphiocrinidae Wachsmuth and Springer 1886
+
G. †Contocrinus Knapp 1969
+
†Contocrinus andamanensis Webster and Jell 1993
†Contocrinus coupi Strimple and Moore 1971
†Contocrinus stantonensis Strimple 1939
G. †Ekmelocrinus Webster and Donovan 2015
+
†Ekmelocrinus amplior Wanner 1924
†Ekmelocrinus ovoides Wanner 1924
†Ekmelocrinus subamplior Wanner 1924
†Ekmelocrinus verbeeki Wanner 1916
†Ekmelocrinus vermistriatus Webster and Donovan 2015
G. †Euerisocrinus Strimple 1939
G. †Permiocrinus Wanner 1949
+
†Permiocrinus immaturus Wanner 1949
†Permiocrinus pumilus Moore and Plummer 1940
G. †Tapinocrinus Webster 1987
+
†Tapinocrinus ingrami Webster 1987
†Tapinocrinus macurdai Webster 1987
†Tapinocrinus spinosus Wanner 1916
†Tapinocrinus timoricus Wanner 1916
Fm. †Paradelocrinidae Knapp 1969
+
G. †Lobalocrinus Knapp 1969
G. †Neocatacrinus Moore and Plummer 1937
+
Fm. †Protencrinidae Knapp 1969
+
Invalid names: Arkacrinidae Knapp 1969 [empty]
Superfm. †Lophocrinoidea Bather 1899
+
Fm. †Indocrinidae Wanner 1916
+
G. †Eoindocrinus Arendt 1981
+
†Eoindocrinus ageri Webster et al. 2025
†Eoindocrinus praecontignatus Arendt 1981
†Eoindocrinus praerimosus Arendt 1981
†Eoindocrinus spinosus Webster et al. 2025
Subfm. †Indocrininae Wanner 1916
+
G. †Indocrinus Wanner 1916
+
†Indocrinus crassus Wanner 1916
†Indocrinus elegans Wanner 1916
†Indocrinus nodosus Wanner 1916
†Indocrinus turgidus Wanner 1931
G. †Pumilindocrinus Arendt 1981
+
†Pumilindocrinus angulosus Wanner 1931
†Pumilindocrinus pumilus Wanner 1931
G. †Proindocrinus Yakovlev 1939
+
†Proindocrinus mirabilis Arendt 1981
†Proindocrinus parvus Arendt 1981
†Proindocrinus piszowi Yakovlev 1926
†Proindocrinus riesae Webster et al. 2025
G. †Rimosindocrinus Arendt 1981
+
†Rimosindocrinus brevijugatus Wanner 1931
†Rimosindocrinus pachycephalus Wanner 1931
†Rimosindocrinus rimosus Wanner 1916
Invalid names: Yakovlevicrininae Arendt 1981 [empty]
Fm. †Laudonocrinidae Moore and Strimple 1973
+
G. †Anchicrinus Strimple and Watkins 1969
+
†Anchicrinus planulatus Moore and Strimple 1973
†Anchicrinus rugosus Strimple 1961
G. †Bathronocrinus Strimple 1962
+
†Bathronocrinus turioformis Strimple 1962
†Bathronocrinus wolfriverensis Pabian and Strimple 1974
G. †Paianocrinus Strimple 1951
G. †Schistocrinus Moore and Plummer 1940
Fm. †Pelecocrinidae Kirk 1941
+
G. †Depaocrinus Wanner 1937
G. †Forthocrinus Wright 1942
G. †Malaiocrinus Wanner 1924
+
†Malaiocrinus crassitesta Wanner 1924
†Malaiocrinus sundaicus Wanner 1916
Fm. †Stellarocrinidae Strimple 1961
+
G. †Brychiocrinus Moore and Plummer 1940
G. †Celonocrinus Lane and Webster 1966
+
†Celonocrinus expansus Lane and Webster 1966
†Celonocrinus nodulus Webster and Lane 1987
G. †Rhopocrinus Kirk 1942
Invalid names: Sundacrinidae Moore and Laudon 1943 [empty]
Or. †Poteriocrinina Jaekel 1918
+
G. †Aulodesocrinus Wright 1942
G. †Carlopsocrinus Wright 1933
Superfm. †Hydreionocrinacea Jaekel 1918
+
Superfm. †Poteriocrinitacea Austin and Austin 1842
+
Fm. †Poteriocrinitidae Roemer 1851
+
G. †Denariocrinus Schmidt 1942
G. †Poteriocrinites Miller 1821
+
†Poteriocrinites permicus Webster and Lane 2007
†Poteriocrinites transcisus Whidborne 1989
†Poteriocrinites vulgaris Vanin 1980
G. †Rhabdocrinus Wright 1944
G. †Rhabdocrinus Desor 1855
G. †Springericrinus Jaekel 1918
Superfm. †Rhenocrinacea Jaekel 1918
+
Fm. †Proctothylacocrinidae Kier 1952
+
G. †Decacrinus Yeltysheva 1957
+
†Decacrinus pennatus Yeltysheva 1957
†Decacrinus tenuicrenulatus Moore and Jeffords 1968
G. †Proctothylacocrinus Kier 1952
+
†Proctothylacocrinus esseri Kesling 1965
†Proctothylacocrinus longus Kier 1952
Fm. †Rhenocrinidae Jaekel 1918
+
G. †Araeocrinus Strimple and Watkins 1969
G. †Maragnicrinus Whitfield 1905
G. †Tarassocrinus Webster et al. 1999
Superfm. †Texacrinacea Strimple 1961
+
Invalid names: Sellardsicrinidae Strimple and Watkins 1969 [empty]
Invalid names: Apographiocrinacea Moore and Laudon 1943 [empty], Calceolispongiacea Teichert 1954 [empty], Calceolispongioidea Teichert 1954 [empty], Cupressocrinitacea Roemer 1854 [empty]
Superfm. †Scytalocrinoidea Moore and Laudon 1943
+
G. †Arroyocrinus Lane and Webster 1966
+
†Arroyocrinus brachiatus Webster and Lane 2007
†Arroyocrinus popenoei Lane and Webster 1966
†Arroyocrinus stokesi Strimple and Miller 1977
Fm. †Blothrocrinidae Moore and Laudon 1943
+
G. †Carcinocrinus Laudon 1941
G. †Culmicrinus Jaekel 1918
G. †Elibatocrinus Moore 1940
+
†Elibatocrinus elegans Strimple and Moore 1971
†Elibatocrinus elongatus Webster and Lane 1967
G. †Fifeocrinus Wright 1951
G. †Stinocrinus Kirk 1941
G. †Ulrichicrinus Springer 1926
Fm. †Scytalocrinidae Moore and Laudon 1943
+
G. †Anemetocrinus Wright 1938
G. †Atrapocrinus Strimple 1975
G. †Bollandocrinus
G. †Haeretocrinus Moore and Pulmmer 1940
+
†Haeretocrinus missouriensis Moore and Plummer 1940
†Haeretocrinus wagneri Strimple and Moore 1971
G. †Histocrinus Kirk 1940
+
†Histocrinus aegina Hall 1863
+
Invalid names: Decadocrinus baumgardneri Laudon and Beane 1937 [synonym]
†Histocrinus grandis Wachsmuth and Springer 1880
†Histocrinus graphicus Miller and Gurley 1890
†Histocrinus juvenis Meek and Worthen 1869
G. †Hydriocrinus Trautschold 1867
G. †Hypselocrinus Kirk 1940
+
†Hypselocrinus arcanus Miller and Gurley 1890
†Hypselocrinus boonvillensis Miller 1891
†Hypselocrinus calyculus Hall 1858
†Hypselocrinus cavus Washburn 1968
†Hypselocrinus defendus Washburn 1968
†Hypselocrinus douglassi Miller and Gurley 1896
†Hypselocrinus hoveyi Worthen 1875
†Hypselocrinus maccabei Miller and Gurley 1894
+
Invalid names: Poteriocrinus hammondi Miller and Gurley 1894 [synonym]
†Hypselocrinus macrodactylus Meek and Worthen 1869
†Hypselocrinus neglectus Miller and Gurley 1896
†Hypselocrinus superus Washburn 1968
†Hypselocrinus tethys Meek and Worthen 1869
G. †Linobrachiocrinus Goldring 1939
+
†Linobrachiocrinus kindlei Goldring 1938
Invalid names: Linocrinus Goldring 1938 [replaced]
G. †Logocrinus Goldring 1923
+
†Logocrinus delicatulus Lane et al. 1997
†Logocrinus geniculatus Goldring 1923
G. †Morrowcrinus Moore and Plummer 1937
G. †Ophiurocrinus Jaekel 1918
G. †Phacelocrinus Kirk 1940
+
†Phacelocrinus bisselli Worthen 1873
†Phacelocrinus brevis Moore and Strimple 1973
†Phacelocrinus columbiensis Worthen 1882
†Phacelocrinus dactyliformis Hall 1858
†Phacelocrinus decabrachiatus Hall 1858
†Phacelocrinus gracilis Troost 1849
†Phacelocrinus internodius Hall 1858
†Phacelocrinus longidactylus McChesney 1860
†Phacelocrinus rosei Moore and Plummer 1938
†Phacelocrinus vanhornei Worthen in Worthen and Meek 1875
+
Invalid names: Poteriocrinus arrectarius Miller and Gurley 1896 [synonym]
†Phacelocrinus wachsmuthi Wetherby 1880
†Phacelocrinus wetherbyi Miller 1879
G. †Prininocrinus Goldring 1938
G. †Roemerocrinus Wanner 1916
+
†Roemerocrinus artus Webster et al. 2025
†Roemerocrinus gracilis Wanner 1916
Fm. †Spaniocrinidae Moore and Laudon 1943
+
G. †Stuartwellercrinus Moore and Plummer 1937
+
†Stuartwellercrinus corbatoi Lane and Webster 1966
†Stuartwellercrinus minimus Wanner 1916
†Stuartwellercrinus propinquus Wanner 1916
†Stuartwellercrinus symmetricus Weller 1909
†Stuartwellercrinus texanus Weller 1909
†Stuartwellercrinus turbinatus Weller 1909
Superfm. †Texacrinoidea Strimple 1961
+
Fm. †Galateacrinidae Knapp 1969
+
Fm. †Staphylocrinidae Moore and Strimple 1973
+
G. †Abrotocrinus Miller and Gurley 1890
G. †Agnostocrinus Webster and Lane 1967
+
†Agnostocrinus ornatus Strimple 1971
†Agnostocrinus typus Webster and Lane 1967
G. †Dinotocrinus Kirk 1941
G. †Exochocrinus Burdick and Strimple 1969
G. †Hylodecrinus Kirk 1941
G. †Microcaracrinus Strimple and Watkins 1969
+
†Microcaracrinus conjugulus Strimple and Moore 1971
†Microcaracrinus twenhofeli Moore 1939
G. †Snowycrinus Webster and Waters 2005
Diagnosis
No diagnoses are available