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Cladida

Crinoidea

Taxonomy
Cladida was named by Moore and Laudon (1943). It is extant. It was considered unknown by Moore and Laudon (1943), monophyletic by Wright et al. (2017).

It was reranked as the order Cladida by Moore and Jeffords (1968), Haugh (1979), Webster and Lane (1987), Webster and Lane (2007), Webster et al. (2009); it was reranked as the unranked clade Cladida by Wright et al. (2017), Ausich et al. (2018), Mao et al. (2018), Wright et al. (2019), Ausich and Cournoyer (2019), Brower et al. (2024), Webster et al. (2025).

It was assigned to Inadunata by Ramsbottom (1958), Moore and Jeffords (1968), Burke (1977), Haugh (1979), Webster and Lane (1987); to Crinoidea by Moore and Laudon (1943), Ausich et al. (1998), Ausich (1998), Webster et al. (1999), Sepkoski (2002), Ausich et al. (2007), Webster and Lane (2007), Ciampaglio et al. (2007), Webster et al. (2009), Ausich and Copper (2010), Webster and Webster (2012), Ausich et al. (2019), Ausich and Cournoyer (2019); and to Inadunata by Wright et al. (2017), Ausich et al. (2018), Mao et al. (2018), Wright et al. (2019), Brower et al. (2024), Webster et al. (2025).

Synonyms
Synonymy list
YearName and author
1943Cladida Moore and Laudon
1958Cladoidea Ramsbottom p. 109
1968Cladida Moore and Jeffords p. 33
1977Cladida Burke p. 174
1979Cladida Haugh p. 18
1987Cladida Webster and Lane p. 9
1998Cladida Ausich p. 17
1998Cladida Ausich et al.
1999Cladida Webster et al. p. 467
2002Cladida Sepkoski
2007Cladida Ausich et al. p. 1381
2007Cladida Ciampaglio et al. p. 245
2007Cladida Webster and Lane p. 955
2009Cladida Webster et al. p. 246
2010Dimerocrinites anticostiensis Ausich and Copper
2010Cladida Ausich and Copper p. 37
2012Cladida Webster and Webster
2017Cladida Wright et al.
2018Cladida Ausich et al.
2018Cladida Mao et al. p. 1069
2019Cladida Ausich and Cournoyer
2019Cladida Ausich et al.
2019Cladida Wright et al.
2024Cladida Brower et al. p. 413
2025Cladida Webster et al. p. 656

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
—Cladida(Moore and Laudon 1943)

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.

Unr. Cladida Moore and Laudon 1943
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Fm. †Aethocrinidae Ubaghs 1969
+
G. †Aethocrinus Ubaghs 1969
+
†Aethocrinus moorei Ubaghs 1969
†Aethocrinus murchisoni Donovan 1986
G. †Aithriocrinus Donovan and Veltkamp 1993
Or. †Ampelocrinida Webster and Jell 1999
+
Fm. †Ampelocrinidae Kirk 1942
+
Subfm. †Ampelocrininae Kirk 1942
+
G. †Halogetocrinus Strimple and Moore 1971
+
†Halogetocrinus boellstorffae Pabian and Strimple 1974
†Halogetocrinus paucus Strimple and Moore 1971
G. †Armenocrinus Strimple and Horowitz 1971
G. †Chlidonocrinus Strimple and Watkins 1969
G. †Exallocrinus Webster et al. 2022
+
†Exallocrinus khuffensis Webster et al. 2022
G. †Globocrinus Washburn 1968
+
†Globocrinus bulbus Washburn 1968
G. †Oklahomacrinus Moore 1939
+
†Oklahomacrinus expansus Wanner 1916
†Oklahomacrinus supinus Moore 1939
†Oklahomacrinus triangulus Webster and Lane 2007
G. †Proampelocrinus Gupta and Webster 1974
G. †Spheniscocrinus Wanner 1937
+
†Spheniscocrinus australis Webster and Jell 1992
Fm. †Calceolispongiidae Teichert 1954
+
+
†Allosocrinus bronaughi Strimple 1949
G. †Jimbacrinus Teichert 1954
+
†Jimbacrinus bostocki Teichert 1954
†Jimbacrinus donnellyensis Webster and Jell 1992
†Jimbacrinus minilyaensis Webster 1990
†Jimbacrinus noetlingi Sieverts-Doreck 1942
G. †Metacalceolispongia Webster and Jell 1999
+
†Metacalceolispongia cherrabunensis Webster and Jell 1992
Fm. †Corythocrinidae Strimple and Watkins 1969
+
G. †Campbellicrinus Jell and Willink 1993
+
†Campbellicrinus compactus Jell and Willink 1993
†Campbellicrinus nodosus Webster et al. 2009
G. †Hutkocrinus Webster et al. 2003
+
†Hutkocrinus kermanensis Webster et al. 2003
G. †Tasmanocrinus Willink 1979
+
†Tasmanocrinus mariensis Willink 1979
Fm. †Tribrachyocrinidae Arendt and Willink 1981
+
G. †Meganotocrinus Willink 1979
+
†Meganotocrinus konincki De Koninck 1877
†Meganotocrinus princeps Etheridge Jr. 1892
Invalid names: Pentadia corona Dana 1849 [nomen dubium]
G. †Nowracrinus Willink 1979
+
†Nowracrinus ornatus Etheridge Jr. 1892
G. †Bicidiocrinus Strimple 1975
G. †Briseocrinus Prokop and Petr 1991
G. †Cathetocrinus Knapp 1969
Superfm. †Cromyocrinacea Bather 1890
+
Fm. †Eupachycrinidae Miller 1890
+
G. †Intermediacrinus Sutton and Winkler 1940
Fm. †Phanocrinidae Knapp 1969
+
G. †Bronaughocrinus Strimple 1951
G. †Cryphiocrinus Kirk 1929
G. †Hosieocrinus Wright 1952
+
†Hosieocrinus caledonicus Wright 1936
G. †Idosocrinus Wright 1954
G. †Pentaramicrinus Sutton and Winkler 1940
Fm. †Ulocrinidae Moore and Strimple 1973
+
G. †Probletocrinus Strimple and Moore 1971
+
†Probletocrinus curtus Strimple and Moore 1971
G. †Tyrieocrinus Wright 1945
G. †Ureocrinus Wright and Strimple 1945
+
†Ureocrinus bockschii Geinitz 1846
+
Invalid names: Hydreionocrinus globularis de Koninck 1858 [synonym], Poteriocrinus nuciformis M'Coy 1849 [synonym]
†Ureocrinus rozhnovi Arendt 1981
Subor. †Dendrocrinina Bather 1899
+
G. †Kophinocrinus Goldring 1954
Unr. Eucladida Wright 2017
+
Subcl. Articulata Miller 1821
+
G. †Bihaticrinus Kristan-Tollmann 1990
+
†Bihaticrinus manipulus Kristan-Tollmann 1990
Or. Comatulida Clark 1908 [Feather star]
+
Subor. Bourgueticrinina Sieverts-Doreck 1953
+
Fm. Bathycrinidae Bather 1899
+
Invalid names: Rhizocrinidae Jaekel 1894 [synonym]
Fm. Bourgueticrinidae Loriol 1882
Superfm. †Conocrinoidea Manni 2022
Fm. Phrynocrinidae Clark 1907
Fm. Septocrinidae Mironov 2000
Fm. Comatulidae d'Orbigny 1852 [crinoid]
+
Subfm. Comatellinae Summers et al. 2014
Subfm. Comatulinae Fleming 1828
G. †Sievertsella Radwańska 2003
+
Invalid names: Sievertsia Radwanska 1987 [replaced]
Invalid names: Actinometridae Bather 1899 [synonym], Comasteridae Clark 1908 [synonym]
Subor. Comatulidina Clark 1908
+
Superfm. Antedonoidea Norman 1865
Superfm. Atelecrinoidea Bather 1899 [crinoid]
Fm. Atopocrinidae Messing 2011
Infraor. Comatulidia Clark
Fm. †Jaekelometridae Hess and Messing 2011
Superfm. Mariametroidea Rasmussen 1978
G. †Microcrinus Emmons 1858
Superfm. Notocrinoidea Mortensen 1918
Superfm. †Paracomatuloidea Hess 1951
G. †Procomaster Simms 1988
Superfm. †Solanocrinitoidea Jaekel 1918
Superfm. Tropiometroidea Clark 1908
Superfm. †Uintacrinoidea Zittel 1879
Invalid names: Paracomatulacea Hess 1951 [empty]
Subor. Guillecrinina Mironov and Sorokina
+
Fm. Guillecrinidae Mironov and Sorokina
G. †Solanocrinus Goldfuss 1829
G. †Cratecrinus Mironov 2011
+
Subg. †Cratecrinus (Cratecrinus) Mironov 2011
+
†Cratecrinus (Cratecrinus) crimicus Mironov and Sorokina 1998
†Cratecrinus (Cratecrinus) germinatus Mironov and Sorokina 1998
Invalid names: Craterocrinus (Craterocrinus) Mironov and Sorokina 1998 [replaced]
Subg. †Cratecrinus (Excavocrinus) Mironov and Sorokina 1998
+
†Cratecrinus (Excavocrinus) actinodromus Mironov and Sorokina 1998
Invalid names: Craterocrinus Mironov and Sorokina 1998 [replaced]
Fm. †Cyclocrinidae Sieverts-Doreck 1953
+
G. †Cyclocrinus d'Orbigny 1850
+
†Cyclocrinus dumortieri Loriol 1885
†Cyclocrinus rugosus d'Orbigny 1841
†Cyclocrinus variolarius Seeley 1866
Invalid names: Acrochordocrinus Trautschold 1859 [synonym]
Or. Cyrtocrinida Sieverts-Doreck 1953
+
G. †Apsidocrinus Jaekel 1907
Subor. †Cyrtocrinina Sieverts-Doreck 1952
+
Superfm. †Eugeniacrinitoidea Roemer 1855
Superfm. †Plicatocrinoidea Zittel 1879
Fm. †Proholopodidae Zitt 1974
Invalid names: Cyrtocrinidia Sieverts-Doreck 1952 [empty]
Subor. †Holopodina Arendt 1974
+
Fm. †Cotyledermatidae Wright 1876
Fm. †Eudesicrinidae Bather 1899
Fm. †Hemibrachiocrinidae Arendt 1968
Fm. †Holopodidae Zittel 1879
Fm. †Pseudosaccocomidae Patrulius 1956
Invalid names: Lotocrinus [nomen nudum]
Or. †Encrinida Matsumoto 1929
+
Fm. †Ainigmacrinidae Hagdorn 1988
+
G. †Ainigmacrinus Hagdorn 1988
Fm. †Dadocrinidae Dujardin and Hupé 1862
+
G. †Baudicrinus Oji and Twitchett 2015
G. †Carnallicrinus Hagdorn 2004
+
Invalid names: Beyrichocrinus Jaekel 1918 [replaced]
G. †Dadocrinus von Meyer 1847
+
Invalid names: Calathocrinus von Meyer 1847 [synonym], Cremacrinus Jaekel 1918 [replaced], Recoarocrinus Gislen 1924 [synonym]
Fm. †Encrinidae Dujardin and Hupé 1862
+
G. †Cassianocrinus Laube 1865
G. †Chelocrinus Meyer 1837
+
Invalid names: Chelocrinites Geinitz 1846 [synonym]
G. †Encrinus Lamarck 1801
+
Invalid names: Encrina Bronn 1848 [synonym], Jenaicrinus Jaekel 1918 [synonym]
G. †Zardinicrinus Hagdorn 2004
Fm. †Traumatocrinidae Mu 1949
+
G. †Traumatocrinus Woehrmann 1889
G. †Vostocovacrinus Yeltyschewa and Polyarnaya 1986
Invalid names: Flabellocrinites Klipstein 1845 [nomen dubium]
Or. †Holocrinida Jaekel 1918
+
Fm. †Holocrinidae Jaekel 1918
+
G. †Eckicrinus Hagdorn and Gluchowski 1993
G. †Holocrinus Wachsmuth and Springer 1886
G. †Moenocrinus Hildebrand 1926
G. †Tollmannicrinus Klikushin 1982
Or. Hyocrinida Rasmussen 1978
+
Fm. Hyocrinidae Carpenter 1884
+
G. Anachalypsicrinus Clark 1973
G. Belyaevicrinus Mironov and Sorokina 1998
G. Calamocrinus Agassiz 1890
G. Dumetocrinus Mironov and Sorokina 1998
G. Feracrinus Mironov and Sorokina 1998
+
Invalid names: Camaecrinus Mironov and Sorokina 1998 [synonym]
G. Gephyrocrinus Koehler and Bather 1902
G. Hyocrinus Thomson 1876
G. Laubiericrinus Roux 2004
G. Ptilocrinus Clark 1907
G. Thalassocrinus Clark 1911
Or. Isocrinida Sieverts-Doreck 1952
+
Subor. Isocrinina Sieverts-Doreck 1952
+
Fm. †Cainocrinidae Simms 1988
Fm. Isocrinidae Gislén 1924
Fm. Isselicrinidae Klikushkin 1977
Fm. Proisocrinidae Rasmussen 1978
Subor. †Pentacrinitina Gray 1842
+
Fm. †Eocomatulidae Simms 1988
Fm. †Pentacrinitidae Gray 1842
+
Invalid names: Pentacrinidae Gray 1842 [replaced]
Invalid names: Polycerus Fischer von Waldheim 1811 [nomen dubium]
Fm. †Lanternocrinidae Kristan-Tollmann 1990
+
G. †Lanternocrinus Kristan-Tollmann 1988
+
†Lanternocrinus lanterna Kristan-Tollmann 1988
G. †Nasutocrinus Kristan-Tollmann 1990
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†Nasutocrinus dentatus Kristan-Tollmann 1990
†Nasutocrinus leios Kristan-Tollmann 1990
Fm. †Leocrinidae Kristan-Tollmann 1990
+
G. †Leocrinus Kristan-Tollmann 1990
+
†Leocrinus armatus Kristan-Tollmann 1990
†Leocrinus diffissus Kristan-Tollmann 1990
†Leocrinus gracilis Kristan-Tollmann 1990
†Leocrinus krystyni Kristan-Tollmann 1990
†Leocrinus undulatus Kristan-Tollmann 1990
Or. †Millericrinida Sieverts-Doreck 1953
+
G. †Amaltheocrinus Klikushin 1984
+
†Amaltheocrinus amalthei Quenstedt 1852
†Amaltheocrinus hausmanni Roemer 1836
+
Invalid names: Plicatocrinus liasinus Quenstedt 1852 [synonym]
Fm. †Apiocrinitidae d'Orbigny 1840
+
G. †Apiocrinites Miller 1821
G. †Guettardicrinus d'Orbigny 1840
Fm. †Bangtoupocrinidae Stiller 2000
+
Subfm. †Bangtoupocrininae Stiller 2000
Subfm. †Silesiacrininae Stiller 2000
G. †Carinacrinus Hess 2006
+
†Carinacrinus hagdorni Hess 2006
G. †Catinicrinus Hess 2006
+
†Catinicrinus jaegeri Hess 2006
Fm. †Millericrinidae Jaeckel 1918
+
G. †Ailsacrinus Taylor 1983
G. †Angulocrinus Rollier 1911
G. †Liliocrinus Rollier 1911
G. †Millericrinus d'Orbigny 1840
G. †Orbignycrinus Biese 1935
+
Invalid names: Cupulocrinus Rollier 1911 [replaced]
G. †Pomatocrinus Desor 1845
G. †Shroshaecrinus Klikushin 1987
Subor. Millericrinina Sieverts-Doreck 1953
+
Invalid names: Apiocrinidae d'Orbigny 1852 [empty], Apiocrinus cretaceus Fraas 1878 [nomen nudum], Millericrinidia Sieverts-Doreck 1952 [empty]
Fm. †Neodadocrinidae Hess 2006
+
G. †Neodadocrinus Manni and Nicosia 1990
G. †Pustulocrinus Hess 2006
G. †Rotacrinus Hess 2006
+
†Rotacrinus canalis Hess 2006
G. †Serracrinus Hess 2006
+
†Serracrinus planus Hess 2006
G. †Souticrinus Nicosia 1991
+
†Souticrinus farinacciae Nicosia 1991
Invalid names: Hyocrinina Rasmussen 1978 [empty]
Fm. †Qingyanocrinidae Stiller 2000
+
G. †Qingyanocrinus Stiller 2000
+
†Qingyanocrinus kueichounensis Dubatolova and Shao 1959
Or. †Roveacrinida Sieverts-Doreck
+
Fm. †Axicrinidae Hess and Messing 2011
+
G. †Axicrinus Kristan-Tollmann 1977
Fm. †Roveacrinidae Peck 1943
+
G. †Birgelenocrinus Jagt 1999
G. †Calvaticrinus Gale and Matrion 2021
G. †Discocrinus Peck 1943
G. †Hyalocrinus Destombes 1985
G. †Lebenharticrinus Žítt et al. 2019
G. †Orthogonocrinus Peck 1943
G. †Platelicrinus Destombes and Breton 2001
G. †Plotocrinus Peck 1943
G. †Poecilocrinus Peck 1943
G. †Roveacrinoides Rasmussen 1971
G. †Roveacrinus Douglas 1908
+
Invalid names: Drepanocrinus Jaekel 1921 [synonym]
G. †Scotocrinus Kozur and Mostler 1992
G. †Styracocrinus Peck 1955
G. †Veugelersia Jagt 1999
Fm. †Saccocomidae d'Orbigny 1852
+
Subfm. †Applinocrininae Hess and Messing 2011
Subfm. †Saccocominae d'Orbigny 1852
Invalid names: Pseudosaccocominae Bachmayer 1958 [empty]
Fm. †Somphocrinidae Hess and Messing 2011
+
G. †Ossicrinus Kristan-Tollmann 1970
G. †Osteocrinus Kristan-Tollmann 1970
+
Invalid names: Poculicrinus Mostler 1972 [synonym]
G. †Somphocrinus Peck 1943
+
Invalid names: Vasculicrinus Donofrio and Mostler 1975 [synonym]
G. †Taurocrinus Klikushin 1984
+
†Taurocrinus tauricus Klikushin 1984
Fm. †Tulipacrinidae Kristan-Tollmann 1980
+
G. †Tulipacrinus Kristan-Tollmann 1980
+
†Tulipacrinus latus Kristan-Tollmann 1990
†Tulipacrinus tulipa Kristan-Tollmann 1980
Invalid names: Uintacrinida [empty]
Unr. Articuliformes Wright 2017
+
+
†Aesiocrinus detrusus Strimple 1951
†Aesiocrinus secundus Washburn 1968
G. †Agassizocrinus Owen and Shumard 1852
G. †Amabilicrinus Webster et al. 2003
+
†Amabilicrinus bahramensis Webster et al. 2003
†Amabilicrinus iranensis Webster et al. 2003
G. †Ampelocrinus Kirk 1942
+
†Ampelocrinus convexus Strimple 1940
G. †Anobasicrinus Strimple 1961
+
†Anobasicrinus brevis Strimple and Moore 1971
†Anobasicrinus obscurus Strimple 1961
G. †Aphelecrinus Kirk 1944
+
†Aphelecrinus tensus Whidborne 1896
G. †Arkacrinus Knapp 1969
+
†Arkacrinus constrictus Moore and Strimple 1973
†Arkacrinus dubius Mather 1915
G. †Basleocrinus Wanner 1916
+
†Basleocrinus conicus Wanner 1916
†Basleocrinus obliquus Wanner 1924
†Basleocrinus pocillum Wanner 1916
†Basleocrinus pusillus Wanner 1924
†Basleocrinus turbinatus Wanner 1924
G. †Blothrocrinus Kirk 1940
+
†Blothrocrinus jesupi Whitfield 1881
†Blothrocrinus spartarius Miller and Gurley 1890
+
Invalid names: Poteriocrinus genista Miller and Gurley 1890 [synonym], Poteriocrinus scopae Miller and Gurley 1890 [synonym]
†Blothrocrinus swallowi Meek and Worthen 1860
Fm. †Botryocrinidae Bather 1899
+
G. †Ancyrocrinus Hall 1862
+
†Ancyrocrinus bulbosus Hall 1862
†Ancyrocrinus crozonensis Menn and Jaouen 2003
G. †Cosmocrinus Jaeckel 1898
+
†Cosmocrinus polonicus Gluchowski 2002
G. †Costalocrinus Jaekel 1918
+
†Costalocrinus conkini McIntosh 1984
†Costalocrinus cornutus Owen and Schumard 1850
†Costalocrinus dilatatus Schultze 1867
†Costalocrinus helenae Schmidt 1941
†Costalocrinus ibericus Kammer 2001
†Costalocrinus rex McIntosh 1984
†Costalocrinus sentosus Goldring 1923
†Costalocrinus thymos Kammer 2001
G. †Fragucrinus Ausich and Copper 2010
+
†Fragucrinus bothros Ausich and Copper 2010
G. †Gastrocrinus Jaekel 1895
G. †Gothocrinus Bather 1893
G. †Imitatocrinus Schmidt 1934
G. †Jahnocrinus Jeakel 1918
G. †Myosocrinus Ausich and Copper 2010
+
†Myosocrinus chicottensis Ausich and Copper 2010
G. †Parabotryocrinus Yakovlev 1941
G. †Rhadinocrinus Jaekel 1895
G. †Sigambrocrinus Schmidt 1942
G. †Situlacrinus Breimer 1962
+
†Situlacrinus costatus Breimer 1962
G. †Bursacrinus Meek and Worthen 1861
G. †Cadocrinus Wanner 1924
+
†Cadocrinus amarassicus Wanner 1916
†Cadocrinus variabilis Wanner 1916
G. †Calceolispongia Etheridge Jr. 1915
+
†Calceolispongia abundans Teichert 1949
†Calceolispongia aculeata Wanner 1924
†Calceolispongia cornuta Wanner 1916
†Calceolispongia digitata Teichert 1949
†Calceolispongia gerthi Willink 1979
†Calceolispongia hindei Etheridge Jr. 1915
†Calceolispongia mammeata Wanner 1924
†Calceolispongia nodosa Etheridge Jr. 1892
†Calceolispongia spinosa Teichert 1949
†Calceolispongia stephensi Etheridge Jr. 1892
†Calceolispongia teicherti Willink 1979
Invalid names: Dinocrinus Wanner 1916 [synonym]
G. †Cercidocrinus Kirk 1938
G. †Clathrocrinus Strimple and Moore 1971
+
†Clathrocrinus clathratus Strimple and Moore 1971
†Clathrocrinus clinatus Strimple and Moore 1971
G. †Corematocrinus Goldring 1923
G. †Corythocrinus Kirk 1946
G. †Cricocrinus Strimple and Watkins 1969
G. †Cromyocrinus Trautschold 1867
+
†Cromyocrinus grandis Mather 1915
G. †Cupressocrinites Goldfuss 1831
+
Invalid names: Cupressocrinus Schulze 1866 [objective synonym]
G. †Cymbiocrinus Kirk 1944
+
†Cymbiocrinus anatonus Washburn 1968
†Cymbiocrinus cuneatus Washburn 1968
G. †Decadocrinus Wachsmuth and Springer 1879
+
†Decadocrinus spinulifer Laudon 1936
†Decadocrinus subhemisphericus Moore and Plummer 1940
G. †Delocrinus Miller and Gurley 1890
+
†Delocrinus admirensis Strimple 1962
†Delocrinus densus Strimple 1962
†Delocrinus titicara Strimple and Moore 1971
†Delocrinus vastus Lane and Webster 1966
†Delocrinus vulgatus Moore and Plummer 1940
G. †Diphuicrinus Moore and Plummer 1937
+
†Diphuicrinus croneisi Moore and Plummer 1938
†Diphuicrinus faustus Moore and Strimple 1973
†Diphuicrinus mammifer Moore and Strimple 1973
†Diphuicrinus pentanodus Moore and Strimple 1973
G. †Eupachycrinus Meek and Worthen 1865
G. †Exocrinus Strimple 1949
+
†Exocrinus moorei Lane and Webster 1966
†Exocrinus multirami Strimple 1949
G. †Galateacrinus Moore 1940
+
†Galateacrinus australis Webster and Jell 1992
†Galateacrinus coacervatus Strimple and Moore 1971
†Galateacrinus gossameri Pabian and Strimple 1974
G. †Glossocrinus Goldring 1923
+
†Glossocrinus cornellianus Williams 1882
†Glossocrinus goldringae Belanski 1928
†Glossocrinus halli Goldring 1923
†Glossocrinus naplesensis Goldring 1923
†Glossocrinus whidbornei Lane et al. 2001
G. †Graphiocrinus de Koninck and Le Hon 1854
+
†Graphiocrinus encrinoides de Koninck and Le Hon 1854
†Graphiocrinus punctatus Wanner 1924
†Graphiocrinus scopulus Lane and Webster 1966
Invalid names: Scaphiocrinus Whidborne 1898 [synonym]
G. †Hydreionocrinus De Koninck 1858
G. †Laudonocrinus Moore and Plummer 1940
G. †Lophocrinus Meyer 1858
G. †Pachylocrinus Wachsmuth and Springer 1879
+
†Pachylocrinus plumifer Whidborne 1898
G. †Paradelocrinus Moore and Plummer 1937
+
†Paradelocrinus protensus Moore and Plummer 1940
G. †Pelecocrinus Kirk 1941
G. †Phanocrinus Kirk 1937
+
†Phanocrinus insolitus Webster and Lane 1967
G. †Pirasocrinus Moore and Plummer 1940
G. †Rhenocrinus Jaekel 1906
G. †Rutkowskicrinus McIntosh 2001
+
†Rutkowskicrinus collieri McIntosh 2001
†Rutkowskicrinus patriciae McIntosh 2001
G. †Scotiacrinus Wright 1945
G. †Scytalocrinus Wachsmuth and Springer 1880
+
†Scytalocrinus barumensis Whidborne 1896
†Scytalocrinus crassibrachiatus Moore and Strimple 1973
†Scytalocrinus sansabensis Moore and Plummer 1940
G. †Sellardsicrinus Moore and Plummer 1940
G. †Sostronocrinus Strimple and McGinnis 1969
+
†Sostronocrinus minutus Lane et al. 1997
†Sostronocrinus mundus Whidborne 1898
†Sostronocrinus quadribrachiatus Waters et al. 2003
†Sostronocrinus superbus Strimple and McGinnis 1969
G. †Spaniocrinus Strimple 1971
+
†Spaniocrinus geniculatus Webster and Jell 1999
†Spaniocrinus trinodus Weller 1909
G. †Stachyocrinus Wanner 1916
+
†Stachyocrinus zea Wanner 1916
G. †Staphylocrinus Burdick and Strimple 1969
G. †Stellarocrinus Strimple 1940
+
†Stellarocrinus bilineatus Strimple and Moore 1971
†Stellarocrinus comptus Webster and Lane 1967
†Stellarocrinus cuneatus Lane and Webster 1966
†Stellarocrinus qijiagouensis Webster et al. 2009
G. †Sundacrinus Wanner 1916
+
†Sundacrinus granulatus Wanner 1916
†Sundacrinus medius Webster and Jell 1999
†Sundacrinus minutus Arendt 1981
†Sundacrinus septentrionalis Yakovlev 1937
†Sundacrinus triangulus Wanner 1924
†Sundacrinus vastus Wanner 1924
G. †Texacrinus Moore and Plummer 1940
+
†Texacrinus distortus Webster and Lane 1967
†Texacrinus gascoynensis Webster and Jell 1992
†Texacrinus goochensis Webster and Jell 1992
†Texacrinus hardmanensis Webster and Jell 1992
†Texacrinus hardmani Webster and Jell 1992
†Texacrinus haushiensis Jell and Willink 1993
Invalid names: Skaiocrinus Webster 1990 [synonym]
G. †Timorechinus Wanner 1910
+
†Timorechinus decurtatus Wanner 1916
†Timorechinus lacertosus Wanner 1924
†Timorechinus maximus Wanner 1924
†Timorechinus mirabilis Wanner 1910
+
Invalid names: Timorocrinus alatus Wanner 1916 [synonym]
+
Invalid names: Timorechinus tenuicostatus Wanner 1924 [synonym]
†Timorechinus spinosus Wanner 1916
Invalid names: Timorocrinus Wanner 1912 [synonym], Timorocystis Lambert 1914 [synonym]
G. †Tribrachyocrinus M'Coy 1847
+
†Tribrachyocrinus granulatus Etheridge Jr. 1892
†Tribrachyocrinus rattei Willink 1979
Invalid names: Pentadia Dana 1847 [nomen dubium], Pentadia reniformis Dana 1847 [nomen dubium], Pentadia spatangus Dana 1847 [nomen dubium], Pentadia trigona Dana 1847 [nomen dubium]
G. †Trimerocrinus Wanner 1916
+
†Trimerocrinus pumilus Wanner 1916
+
Invalid names: Trimerocrinus ventricosus Wanner 1916 [synonym]
G. †Zeacrinites Burdick and Strimple 1971
Invalid names: Plicodendrocrinidae Jell 1999 [empty]
Superor. †Cyathoformes Wright et al. 2017
+
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
Fm. †Oligobrachyocrinidae Arendt 1981
Fm. †Streblocrinidae Lane 1967
Superfm. †Cyathocrinitoidea Roemer 1854
+
Fm. †Agostocrinidae Ausich 1998
Fm. †Barycrinidae Jaekel 1918
Fm. †Cyathocrinitidae Roemer 1854
Fm. †Euspirocrinidae Bather 1890
+
Invalid names: Ampheristocrinidae Miller 1889 [synonym], Parisocrinidae Jaekel 1918 [synonym]
Fm. †Lecythocrinidae Kirk 1934
Fm. †Thalamocrinidae Miller and Gurley 1895
Superfm. †Gasterocomacea Roemer 1854
+
Fm. †Cupressocrinitidae Roemer 1954
Fm. †Gasterocomidae Roemer 1854
Fm. †Petalocrinidae Weller and Davidson 1896
Fm. †Sphaerocrinidae Jaekel 1895
Superfm. †Gasterocomoidea Roemer 1854
+
Fm. †Crotalocrinitidae Bassler 1938
Superfm. †Hypocrinacea Wanner 1916
+
Fm. †Acariaiocrinidae Arendt 1970
Fm. †Hypocrinidae Wanner 1916
Fm. †Lageniocrinidae Arendt 1970
Fm. †Pilidiocrinidae Arendt 1970
Fm. †Sycocrinitidae Lane 1967
G. †Parastephanocrinus Springer 1926
Invalid names: Codiacrinacea Bather 1890 [empty]
Or. †Dendrocrinida Bather 1899
+
Fm. †Aesiocrinidae Webster and Lane 2007
+
G. †Adacrinus Pabian and Strimple 1985
G. †Elassocrinus Webster and Lane 2007
G. †Lecobasicrinus Strimple and Watkins 1969
G. †Moundocrinus Strimple 1939
G. †Paracymbiocrinus Burdick and Strimple 1973
G. †Polusocrinus Strimple 1951
Superfm. †Agassizocrinoidea Miller 1888
+
Fm. †Agassizocrinidae Miller 1889
Fm. †Anobasicrinidae Strimple 1961
Invalid names: Trimerocrinidae Moore and Laudon 1943 [empty]
Superfm. †Apographiocrinoidea Moore and Laudon 1943
+
Fm. †Apographiocrinidae Moore and Laudon 1943
Fm. †Pachylocrinidae Kirk 1942
Fm. †Bridgerocrinidae Webster and Lane 2007
+
G. †Bridgerocrinus Laudon and Severson 1953
G. †Ekteinocrinus Webster and Lane 2007
G. †Melbacrinus Strimple 1939
Superfm. †Cromyocrinoidea Bather 1890
+
Fm. †Cromyocrinidae Bather 1890
Fm. †Parindocrinidae Arendt 1981
Invalid names: Cadocrinidae Moore and Laudon 1943 [empty]
Superfm. †Dendrocrinacea Wachsmuth and Springer 1886
+
Fm. †Colpodecrinidae Sprinkle and Kolata 1982
Fm. †Dendrocrinidae Wachsmuth and Springer 1886
+
Invalid names: Ottawacrinidae Moore and Laudon 1943 [synonym]
Superfm. †Glossocrinacea Webster et al. 2003
+
Fm. †Amabilicrinidae Webster et al. 2003
Fm. †Glossocrinidae Goldring 1923
Fm. †Rutkowskicrinidae McIntosh 2001
Superfm. †Graphiocrinoidea Webster and Donovan 2015
+
Fm. †Stachyocrinidae Moore and Strimple 1973
Fm. †Kraterocrinidae Webster and Donovan 2012
+
G. †Kraterocrinus Webster and Donovan 2012
Superfm. †Mastigocrinacea Jaekel 1918
+
Fm. †Mastigocrinidae Jaekel 1918
Superfm. †Mastigocrinoidea Jaekel 1918
+
Fm. †Thenarocrinidae Jaekel 1918
Superfm. †Merocrinacea Miller 1890
+
Fm. †Ontariocrinidae Jaekel 1918
Superfm. †Mollocrinoidea Wanner 1916
+
Fm. †Mollocrinidae Wanner 1916
+
Invalid names: Mollocrinacea Wanner 1916 [objective synonym]
G. †Pentaxocrinus Webster and Lane 2007
+
†Pentaxocrinus quinarius Lane and Webster 1966
Superfm. †Pirasocrinacea Moore and Laudon 1943
+
Fm. †Adinocrinidae Strimple 1961
Superfm. †Pirasocrinoidea Moore and Laudon 1943
+
Fm. †Pirasocrinidae Moore and Laudon 1943
Superfm. †Timorocidaroidea Arendt 1981
+
Fm. †Timorocidaridae Arendt 1981
Superfm. †Zeacrinitoidea Bassler and Moodey 1943
+
Fm. †Exocrinidae Strimple and Watkins 1969
Fm. †Timorechinidae Jaekel 1918
Fm. †Zeacrinitidae Bassler and Moodey 1943
Invalid names: Scotiacrinidae Moore and Strimple 1973 [empty]
Invalid names: Plicodendrocrinacea Jell 1999 [empty], Poteriocrinida Jaekel 1918 [synonym]
Superfm. †Erisocrinoidea Wachsmuth and Springer 1886
+
Fm. †Catacrinidae Knapp 1969
+
G. †Arrectocrinus Knapp 1969
G. †Endelocrinus Moore and Plummer 1940
G. †Graffhamicrinus Strimple 1961
G. †Palmerocrinus Knapp 1969
G. †Paraplasocrinus Moore and Plummer 1937
G. †Pyndaxocrinus Knapp 1969
G. †Subarrectocrinus Knapp 1969
Fm. †Erisocrinidae Miller 1889
+
G. †Eperisocrinus Burke 1977
G. †Erisocrinus Meek and Worthen 1865
G. †Jaramahcrinus Webster et al. 2025
G. †Neoprotencrinus Knapp 1969
G. †Parallelocrinus Miller 1889
G. †Qararicrinus Webster et al. 2025
G. †Sinocrinus Tien 1926
Fm. †Graphiocrinidae Wachsmuth and Springer 1886
+
G. †Contocrinus Knapp 1969
G. †Ekmelocrinus Webster and Donovan 2015
G. †Euerisocrinus Strimple 1939
G. †Permiocrinus Wanner 1949
G. †Tapinocrinus Webster 1987
Fm. †Paradelocrinidae Knapp 1969
+
G. †Atokacrinus Knapp 1969
G. †Lobalocrinus Knapp 1969
G. †Lopadiocrinus Wanner 1916
G. †Neocatacrinus Moore and Plummer 1937
G. †Sublobalocrinus Knapp 1969
Fm. †Protencrinidae Knapp 1969
+
G. †Protencrinus Jeakel 1918
Invalid names: Arkacrinidae Knapp 1969 [empty]
Superfm. †Lophocrinoidea Bather 1899
+
Fm. †Indocrinidae Wanner 1916
+
G. †Eoindocrinus Arendt 1981
Subfm. †Indocrininae Wanner 1916
G. †Proindocrinus Yakovlev 1939
G. †Rimosindocrinus Arendt 1981
G. †Yakovlevicrinus Arendt 1981
Invalid names: Yakovlevicrininae Arendt 1981 [empty]
Fm. †Laudonocrinidae Moore and Strimple 1973
+
G. †Anchicrinus Strimple and Watkins 1969
G. †Athlocrinus Moore and Plummer 1940
G. †Bathronocrinus Strimple 1962
G. †Paianocrinus Strimple 1951
G. †Schistocrinus Moore and Plummer 1940
G. †Tetrabrachiocrinus Yakovlev 1934
Fm. †Pelecocrinidae Kirk 1941
+
G. †Depaocrinus Wanner 1937
G. †Exoriocrinus Strimple and Moore 1971
G. †Forthocrinus Wright 1942
G. †Malaiocrinus Wanner 1924
Fm. †Stellarocrinidae Strimple 1961
+
G. †Anechocrinus Webster 1990
G. †Brabeocrinus Strimple and Moore 1971
G. †Brychiocrinus Moore and Plummer 1940
G. †Celonocrinus Lane and Webster 1966
G. †Heliosocrinus Strimple 1951
G. †Pedinocrinus Wright 1951
G. †Rhopocrinus Kirk 1942
Invalid names: Sundacrinidae Moore and Laudon 1943 [empty]
G. †Manicrinus Frest and Strimple 1978
Or. †Poteriocrinina Jaekel 1918
+
Superfm. †Agassizocrinacea Miller 1888
+
Fm. †Basleocrinidae Arendt 1981
Fm. †Bursacrinidae Kirk 1947
Fm. †Decadocrinidae Bather 1890
Invalid names: Cricocrinidae Moore and Strimple 1973 [empty]
G. †Aulodesocrinus Wright 1942
G. †Carlopsocrinus Wright 1933
Superfm. †Decadocrinoidea Bather 1890
+
Invalid names: Clathrocrinidae Strimple and Moore 1971 [empty]
Superfm. †Hydreionocrinacea Jaekel 1918
+
Fm. †Hydreionocrinidae Jaekel 1918
Superfm. †Poteriocrinitacea Austin and Austin 1842
+
Fm. †Poteriocrinitidae Roemer 1851
Superfm. †Rhenocrinacea Jaekel 1918
+
Fm. †Proctothylacocrinidae Kier 1952
Fm. †Rhenocrinidae Jaekel 1918
Superfm. †Scytalocrinacea Moore and Laudon 1943
+
Fm. †Sostronocrinidae Lane et al. 2001
G. †Tarassocrinus Webster et al. 1999
Superfm. †Texacrinacea Strimple 1961
+
Fm. †Cymbiocrinidae Strimple and Watkins 1969
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
+
Fm. †Aphelecrinidae Strimple 1967
+
G. †Cosmetocrinus Kirk 1941
G. †Paracosmetocrinus Strimple 1967
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
G. †Fifeocrinus Wright 1951
G. †Huqficrinus Webster et al. 2009
G. †Nebraskacrinus Moore 1939
G. †Stinocrinus Kirk 1941
G. †Ulrichicrinus Springer 1926
Fm. †Cercidocrinidae Moore and Laudon 1943
+
G. †Ascetocrinus Kirk 1940
G. †Coeliocrinus White 1863
G. †Dochmocrinus Webster and Donovan 2012
+
†Dochmocrinus conoideus Wanner 1937
Fm. †Scytalocrinidae Moore and Laudon 1943
+
G. †Anemetocrinus Wright 1938
G. †Atrapocrinus Strimple 1975
G. †Haeretocrinus Moore and Pulmmer 1940
G. †Histocrinus Kirk 1940
G. †Hydriocrinus Trautschold 1867
G. †Hypselocrinus Kirk 1940
G. †Julieticrinus Waters et al. 2003
G. †Linobrachiocrinus Goldring 1939
+
Invalid names: Linocrinus Goldring 1938 [replaced]
G. †Logocrinus Goldring 1923
G. †Lorocrinus Webster et al. 2003
G. †Morrowcrinus Moore and Plummer 1937
G. †Omanicrinus Jell and Willink 1993
G. †Ophiurocrinus Jaekel 1918
G. †Pegocrinus Kirk 1940
G. †Phacelocrinus Kirk 1940
G. †Prininocrinus Goldring 1938
G. †Roemerocrinus Wanner 1916
Fm. †Spaniocrinidae Moore and Laudon 1943
+
G. †Paragraphiocrinus Wanner 1937
G. †Parspaniocrinus Strimple 1971
G. †Stuartwellercrinus Moore and Plummer 1937
Superfm. †Texacrinoidea Strimple 1961
+
Fm. †Galateacrinidae Knapp 1969
+
G. †Miatshkovocrinus Arendt 1981
Fm. †Staphylocrinidae Moore and Strimple 1973
+
G. †Abrotocrinus Miller and Gurley 1890
G. †Agnostocrinus Webster and Lane 1967
G. †Dinotocrinus Kirk 1941
G. †Disgregacrinus Webster et al. 2025
G. †Exochocrinus Burdick and Strimple 1969
G. †Hylodecrinus Kirk 1941
G. †Microcaracrinus Strimple and Watkins 1969
G. †Snowycrinus Webster and Waters 2005
Fm. †Texacrinidae Strimple 1961
+
G. †Marathonocrinus Moore and Plummer 1940
Superor. †Flexibilia Zittel 1895
+
Fm. †Cupulocrinidae Moore and Laudon 1943
+
G. †Cupulocrinus d'Orbigny 1849
+
†Cupulocrinus angustatus Meek and Worthen 1870
†Cupulocrinus canaliculatus Brower and Veinus 1978
†Cupulocrinus crossmani Brower 1992
†Cupulocrinus humilis Billings 1857
†Cupulocrinus jewetti Billings 1859
†Cupulocrinus latibrachiatus Billings 1857
†Cupulocrinus levorsoni Kolata 1986
†Cupulocrinus polydactylus Shumard 1858
†Cupulocrinus sepulchrum Ramsbottom 1961
G. †Morenacrinus Ausich et al. 2002
+
†Morenacrinus silvani Ausich et al. 2002
G. †Quinquecaudex Brower and Veinus 1982
+
†Quienquecaudex springeri Kolata 1975
Fm. †Edriocrinidae Miller 1889
+
G. †Edriocrinus Hall 1858
G. †Icthyocrinus Conrad 1842
Or. †Sagenocrinida Springer 1913
+
Fm. †Homalocrinidae Angelin 1878
+
+
†Homalocrinus liljevalli Springer 1920
†Homalocrinus nanus Salter 1873
G. †Tintinnabulicrinus Wright and Toom 2017
+
†Tintinnabulicrinus estoniensis Wright and Toom 2017
G. †Ichthyocrinus Conrad 1842
+
†Ichthyocrinus gotlandicus Wachsmuth and Springer 1880
†Ichthyocrinus laevis Conrad 1842
Superfm. †Icthyocrinoidea Wachsmuth and Springer 1886
+
Fm. †Icthyocrinidae Wachsmuth and Springer 1886
+
G. †Cleistocrinus Springer 1920
G. †Clidochirus Angelin 1878
Superfm. †Lecanocrinacea Webster 2006
+
Fm. †Gaulocrinidae Moore and Strimple 1973
+
Fm. †Lecanocrinidae Springer 1913
+
Fm. †Nipterocrinidae Jaekel 1918
+
Fm. †Palaeoholopodidae Wanner 1916
+
Superfm. †Lecanocrinoidea Webster 2006
+
Fm. †Calycocrinidae Moore and Strimple 1973
+
G. †Plagiocrinus Wanner 1924
+
G. †Cibolocrinus Weller 1909
G. †Loxocrinus Wanner 1916
G. †Petrocrinus Wanner 1924
G. †Strobocrinus Lane 1979
G. †Syntomocrinus Wanner 1916
G. †Trinalicrinus Lane 1979
Fm. †Prophyllocrinidae Moore and Strimple 1973
+
G. †Ancistrocrinus Wanner 1924
G. †Proapsidocrinus Wanner 1924
+
†Proanisocrinus oswegoensis Miller and Gurley 1984
Superfm. †Sagenocrinitoidea Bassler 1938
+
Fm. †Anisocrinidae Eckert and Brett 2001
+
G. †Anticosticrinus Cole et al. 2025
Fm. †Sagenocrinitidae Bassler 1938
+
G. †Meristocrinus Springer 1909
G. †Trampidocrinus Lane and Webster 1966
Superfm. †Sagenocrinoidea Bassler 1938
+
Fm. †Dactylocrinidae Bather 1899
+
G. †Nevadacrinus Lane and Webster 1966
G. †Rumphiocrinus Wanner 1924
Fm. †Euryocrinidae Moore and Strimple 1973
+
G. †Ainacrinus Wright 1941
G. †Ancoracrinus Webster and Lane 1987
G. †Paramphicrinus Strimple and Moore 1971
Invalid names: Icthyocrinacea Angelin 1878 [empty]
Or. †Taxocrinida Springer 1913
+
G. †Haereticotaxocrinus Franzen 1981
Fm. †Paerticrinidae Wright and Toom 2017
+
G. †Paerticrinus Wright and Toom 2017
+
†Paerticrinus arvosus Wright and Toom 2017
G. †Praeorocrinus Gluchowski 1980
Superfm. †Taxocrinacea Angelin 1878
+
Fm. †Synerocrinidae Jaekel 1918
+
G. †Enascocrinus Strimple and Watkins 1969
G. †Euonychocrinus Strimple 1940
G. †Onychocrinus Lyon and Cassidy 1860
G. †Synerocrinus Jaekel 1897
Fm. †Taxocrinidae Angelin 1878
+
G. †Eutaxocrinus Springer 1906
G. †Gnorimocrinus Wachsmuth and Springer 1879
G. †Ladacrinus Ausich and Copper 2010
G. †Parichthyocrinus Springer 1902
G. †Protaxocrinus Springer 1906
G. †Taxocrinus Phillips 1843
Invalid names: Pinnata [empty], Taxocrinoidea Springer 1913 [empty]
G. †Goniocrinus Miller and Gurley 1890
G. †Harmostocrinus Strimple 1975
G. †Idaeumocrinus le Menn 1987
G. †Kanabinocrinus Ausich 1986
G. †Kansacrinus Pabian and Strimple 1985
G. †Kooptoonocrinus Jell and Holloway 1983
G. †Lanecrinus Kamm and Ausi 1993
G. †Lekocrinus Kamm and Ausi 1994
Superfm. †Lophocrinacea Bather 1899
+
Invalid names: Lophocrinidae Bather 1899 [empty]
G. †Mathericrinus Webster 1981
G. †Nacocrinus Webster and Olson 1998
G. †Nuxocrinus Mclntosh 1983
G. †Parascytalocrinus Kamm and Ausi 1993
G. †Perittocrinus Jaekel
+
†Perittocrinus radiatus Beyrich 1879
Superor. †Porocrinoidea Wright et al. 2017
+
Or. †Hybocrinida Jaekel 1918
+
Fm. †Baerocrinidae Jaekel 1918
+
G. †Baerocrinus Volborth 1865
Fm. †Cornucrinidae Regnell 1948
+
G. †Cornucrinus Regnell 1948
+
†Cornucrinus longicornis Regnell 1948
†Cornucrinus mirus Regnell 1948
G. †Tripatocrinus Sprinkle 1973
+
†Tripatocrinus pustulatus Sprinkle 1973
Subor. †Cyathocrinoidea Bather 1899
+
Invalid names: Carabocrinidae Bather 1899 [empty]
Fm. †Hybocrinidae Zittel 1879
+
G. †Hoplocrinus Grewingk 1867
+
†Hoplocrinus dalearlicus Regnell 1948
G. †Hybocrinus Billings 1857
+
†Hybocrinus conicus Billings 1857
†Hybocrinus nitidus Sinclair 1945
†Hybocrinus pristinus Billings 1858
†Hybocrinus tumidus Billings 1857
G. †Parahybocrinus Guensburg and Sprinkle 2022
+
†Parahybocrinus siewersi Guensburg and Sprinkle 2022
G. †Revalocrinus Jaekel 1918
G. †Syndiasmocrinus Guensburg and Sprinkle 2022
+
†Syndiasmocrinus apokalypto Guensburg and Sprinkle 2022
Fm. †Hybocystitidae Jaekel 1918
+
G. †Hybocystites Wetherby 1880
+
†Hybocystites problematicus Wetherby 1880
Invalid names: Hybocystis Bather 1890 [nomen vanum]
Invalid names: Hybocrinina Ubaghs 1971 [empty]
Or. †Porocrinida Wright et al. 2017
+
G. †Carabocrinus Billings 1857
+
†Carabocrinus boltoni Ausich and Copper 2010
†Carabocrinus radiatus Billings 1857
†Carabocrinus treadwelli Sinclair 1945
†Carabocrinus tuberculatus Billings 1859
G. †Illemocrinus Eckert 1987
G. †Palaeocrinus Billings 1859
+
†Palaeocrinus angulatus Billings 1857
G. †Porocrinus Billings 1857
+
†Porocrinus conicus Billings 1857
G. †Triboloporus Kesling and Paul 1968
Subor. †Poteriocrinitina Jaekel 1918
+
Invalid names: Diphuicrinidae Strimple and Knapp 1966 [empty]
G. †Premanicrinus Frest and Strimple 1982
G. †Pulaskicrinus Chesnut and Ettensohn 1988
G. †Pyrenocrinus Mclntosh 1983
G. †Rimosidocrinus Arendt 1981
G. †Sardinocrinus Pabian and Strimple 1985
G. †Scammatocrinus Burdick and Strimple 1982
G. †Treocrinus Prokop and Petr 1991
G. †Wetherbyocrinus Chesnut and Ettensohn 1988
G. †Worthenocrinus Kamm and Ausi 1994
Invalid names: Apektocrinidae Guensburg and Sprinkle 2009 [empty], Cyathocrinacea Roemer 1854 [empty], Dimerocrinites anticostiensis Ausich and Copper 2010 [nomen nudum]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationarysubc
Attached: yessubc
Life habit: intermediate-level epifaunalsubc
Diet: suspension feedersubc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Comments: LIFE HISTORY: Majority of component taxa have stem lengths of >5 cm and <25 cm cm according to Brett (1984), therefore intermediate level epifaunal.subc
Created: 2009-10-09 11:50:31
Modified: 2009-10-09 13:50:31
Source: subc = subclass, c = class, p = phylum
References: Kiessling 2004, Hendy et al. 2009, Aberhan 1992

Age range

Maximum range based only on fossils: base of the Tulean to the top of the Late/Upper Pleistocene or 481.70000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 477.1 Ma

Collections (2272 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ibexian488.9 - 471.3USA (Nevada) Tripatocrinus pustulatus (104312)
Early/Lower Ordovician486.85 - 471.3USA (Nevada) Syndiasmocrinus sp., Syndiasmocrinus apokalypto (231317)
Tremadoc486.4 - 477.1France (Montagne Noire) Aethocrinus moorei (20819 201717 201721)
Tulean481.7 - 475.3USA (Utah) Parahybocrinus siewersi (231318)
Floian477.1 - 471.3France (Montagne Noire) Aetocrinus moorei (20827)
Dapingian471.3 - 469.4China (Hubei) Eopetalocrinus sinensis (195230)
Middle Ordovician471.3 - 458.2USA (Oklahoma) Porocrinus bromidensis, Hybocrinus crinerensis, Quinquecaudex glabellus (201757)
Middle Ordovician471.3 - 458.2USA (New York) Dendrocrinus sp. (333 430) Dendrocrinus sp., Cupulocrinus sp. (334)
Middle Ordovician471.3 - 458.2USA (Kentucky) Palaeocrinus avondalensis, Palaeocrinus planobasalis, Triboloporus cryptoplicatus, Carabocrinus micropunctatus (124619)
Chazyan471.3 - 457.3Canada (Quebec) Hybocrinus pristinus (197279) Palaeocrinus sp. (311)
Whiterockian471.3 - 457.3USA (California) Tripatocrinus pustulatus (226695)
Whiterockian471.3 - 457.3Canada (Newfoundland) Brechmocrinus eos (196154 196163)
Whiterockian471.3 - 457.3USA (Nevada) Tripatocrinus pustulatus (90654 104420 104468)
Lasnamagi461.4 - 459.7Estonia Revalocrinus costatus (56205)
Dobrotivian461.0 - 459.7Spain (Cuidad Real) Fresnedacrinus ibericus, Morenacrinus silvani (166760)
Berounian459.7 - 450.1Spain (Zaragoza) Picassocrinus villasi (166728 186255)
Costonian - Harnagian458.2 - 457.2Sweden Hoplocrinus sp. (2767)
Sandbian458.2 - 452.8Canada (Quebec) Hybocrinus pristinus (182451 182452) Palaeocrinus striatus, Hybocrinus pristinus (182449 182450)
Sandbian458.2 - 452.8Canada (Ontario) Hybocrinus pristinus (182453)
Caradoc458.2 - 449.5USA (Virginia) Carabocrinus sp. (34224 34235 34237 34241 34243 34244 34245 34246 34247 34248 34249 34250 34251 34252)