Opinions from W. I. Ausich and P. Copper 2010
- 'Abacocrinidae belongs to Xenocrinacea'
- 'Abacocrinus belongs to Abacocrinidae'
- 'Actinocrinites tesseracontadactylus belongs to Actinocrinites' according to Goldfuss 1831
- 'Actinocrinites tesseracontadactylus is recombined as Abacocrinus tesseracontadactylus'
- 'Aetocrinus belongs to Dendrocrinidae'
- 'Aetocrinus gracilis belongs to Aetocrinus'
- 'Allozygocrinus belongs to Dimerocrinitidae'
- 'Allozygocrinus dubuquensis belongs to Allozygocrinus' according to Witzke and Strimple 1981
- 'Allozygocrinus dubuquensis belongs to Allozygocrinus'
- 'Allozygocrinus exallos belongs to Allozygocrinus'
- 'Alopocrinus belongs to Paramelocrinidae'
- 'Alopocrinus parvus belongs to Alopocrinus'
- 'Anisocrinidae belongs to Icthyocrinacea'
- 'Anisocrinus belongs to Anisocrinidae'
- 'Anisocrinus interradiatus belongs to Anisocrinus' according to Angelin 1878
- 'Anisocrinus interradiatus belongs to Anisocrinus'
- 'Anisocrinus prinstaensis belongs to Anisocrinus'
- 'Apoarchaeocrinus belongs to Rhodocrinitidae'
- 'Apoarchaeocrinus anticostiensis belongs to Apoarchaeocrinus'
- 'Astakocrinus belongs to Stelidiocrinidae'
- 'Astakocrinus teren belongs to Astakocrinus'
- 'Becsciecrinus belongs to Dimerocrinitidae'
- 'Becsciecrinus adonis belongs to Becsciecrinus'
- 'Botryocrinidae belongs to Plicodendrocrinacea'
- 'Bucucrinus belongs to Rhodocrinitidae'
- 'Bucucrinus saccus belongs to Bucucrinus'
- 'Buchicrinus saccus is a misspelling of Bucucrinus saccus'
- 'Calceocrinida belongs to Disparida'
- 'Calceocrinidae belongs to Calceocrinida'
- 'Calceocrinus belongs to Calceocrinidae'
- 'Calceocrinus gamachicus belongs to Calceocrinus'
- 'Camerata belongs to Crinoidea'
- 'Carabocrinus belongs to Porocrinidae'
- 'Carabocrinus boltoni belongs to Carabocrinus'
- 'Carabocrinus radiatus belongs to Carabocrinus'
- 'Carpocrinacea belongs to Compsocrinina'
- 'Carpocrinidae belongs to Carpocrinacea'
- 'Centrocrinus tennesseensis belongs to Centrocrinus' according to Worthen 1890
- 'Centrocrinus tennesseensis is recombined as Hormocrinus tennesseensis'
- 'Charactocrinus belongs to Calceocrinidae'
- 'Charactocrinus billingsi belongs to Charactocrinus'
- 'Charactocrinus pustulosus belongs to Charactocrinus'
- 'Charactocrinus pustulosus belongs to Charactocrinus' according to Brett 1981
- 'Cheirocrinus chrysalis belongs to Cheirocrinus' according to Hall 1860
- 'Cheirocrinus chrysalis is recombined as Calceocrinus chrysalis'
- 'Chenocrinus belongs to Stipatocrinidae'
- 'Chenocrinus canadaensis belongs to Chenocrinus'
- 'Chirocrinus belongs to Calceocrinidae'
- 'Chirocrinus twenhofeli belongs to Chirocrinus'
- 'Cincinnaticrinidae belongs to Homocrinida'
- 'Cladida belongs to Crinoidea'
- 'Clidochirus belongs to Icthyocrinidae'
- 'Clidochirus pyrum belongs to Clidochirus' according to Angelin 1878
- 'Clidochirus pyrum belongs to Clidochirus'
- 'Clidochirus vaurealensis belongs to Clidochirus'
- 'Compsocrinina belongs to Monobathrida'
- 'Conicocyathocrinites belongs to Cyathocrinitidae'
- 'Corvucrinus belongs to Calceocrinidae'
- 'Corvucrinus schucherti belongs to Corvucrinus'
- 'Crotalocrinites belongs to Crotalocrinitidae'
- 'Crotalocrinitidae belongs to Cyathocrinitacea'
- 'Cupulocrinidae belongs to Plicodendrocrinacea'
- 'Cupulocrinus belongs to Cupulocrinidae'
- 'Cyathocrinacea is corrected as Cyathocrinitacea and belongs to Cyathocrinida'
- 'Cyathocrinina was reranked as the order Cyathocrinida and belongs to Cladida'
- 'Cyathocrinites belongs to Cyathocrinitidae'
- 'Cyathocrinites planus belongs to Cyathocrinites'
- 'Cyathocrinites rugosus belongs to Cyathocrinites' according to Miller 1821
- 'Cyathocrinites rugosus is recombined as Crotalocrinites rugosus'
- 'Cyathocrinitidae belongs to Cyathocrinitacea'
- 'Cyathocrinus acinotubus belongs to Cyathocrinus' according to Angelin 1878
- 'Cyathocrinus acinotubus is recombined as Levicyathocrinites acinotubus'
- 'Cyathocrinus decatur belongs to Cyathocrinus' according to Springer 1926
- 'Cyathocrinus decatur is recombined as Conicocyathocrinites decatur'
- 'Cyathocrinus longimanus is recombined as Conicocyathocrinites longimanus'
- 'Cyathocrinus longimanus belongs to Cyathocrinus' according to Angelin 1878
- 'Cyathocrinus wilsoni belongs to Cyathocrinus' according to Springer 1926
- 'Cyathocrinus wilsoni is recombined as Conicocyathocrinites wilsoni'
- 'Cybelecrinus belongs to Dimerocrinitidae'
- 'Cybelecrinus ladas belongs to Cybelecrinus'
- 'Cybelecrinus nebros belongs to Cybelecrinus'
- 'Dendrocrinacea belongs to Dendrocrinida'
- 'Dendrocrinida belongs to Cladida'
- 'Dendrocrinidae belongs to Dendrocrinacea'
- 'Dendrocrinus belongs to Dendrocrinidae'
- 'Dendrocrinus casei belongs to Dendrocrinus' according to Meek 1871
- 'Dendrocrinus casei is recombined as Plicodendrocrinus casei'
- 'Dendrocrinus latibrachiatus belongs to Dendrocrinus' according to Billings 1857
- 'Dendrocrinus latibrachiatus is recombined as Cupulocrinus latibrachiatus'
- 'Dendrocrinus leptos belongs to Dendrocrinus'
- 'Dendrocrinus longidactylus belongs to Dendrocrinus' according to Hall 1852
- 'Dendrocrinus longidactylus belongs to Dendrocrinus'
- 'Dendrocrinus minutus belongs to Dendrocrinus'
- 'Dendrocrinus tener belongs to Dendrocrinus' according to Billings 1866
- 'Dendrocrinus tener is a nomen dubium'
- 'Dimerocrinitacea belongs to Diplobathrida'
- 'Dimerocrinites belongs to Dimerocrinitidae'
- 'Dimerocrinites anticostiensis is a nomen nudum'
- 'Dimerocrinites decadactylus belongs to Dimerocrinites' according to Roemer 1855
- 'Dimerocrinites decadactylus belongs to Dimerocrinites'
- 'Dimerocrinites elegans belongs to Dimerocrinites'
- 'Dimerocrinites elegans belongs to Dimerocrinites' according to Springer 1928
- 'Dimerocrinitidae belongs to Dimerocrinitacea'
- 'Diplobathrida belongs to Camerata'
- 'Disparida belongs to Crinoidea'
- 'Eomyelodactylus belongs to Myelodactylidae'
- 'Eomyelodactylus donovani belongs to Eomyelodactylus'
- 'Eomyelodactylus forestei is a misspelling of Eomyelodactylus foerstei'
- 'Eomyelodactylus forestei is corrected as Eomyelodactylus foerstei and belongs to Eomyelodactylus'
- 'Eomyelodactylus sparteus belongs to Eomyelodactylus'
- 'Eomyelodactylus springeri belongs to Eomyelodactylus'
- 'Eucalyptocrinitacea belongs to Glyptocrinina'
- 'Eucalyptocrinites belongs to Eucalyptocrinitidae'
- 'Eucalyptocrinites archaios belongs to Eucalyptocrinites'
- 'Eucalyptocrinites rosaceus belongs to Eucalyptocrinites'
- 'Eucalyptocrinitidae belongs to Eucalyptocrinitacea'
- 'Euspirocrinidae belongs to Cyathocrinitacea'
- 'Euspirocrinus belongs to Euspirocrinidae'
- 'Euspirocrinus gagnoni belongs to Euspirocrinus'
- 'Euspirocrinus spiralis belongs to Euspirocrinus' according to Angelin 1878
- 'Euspirocrinus spiralis belongs to Euspirocrinus'
- 'Eustenocrinida belongs to Disparida'
- 'Eustenocrinidae belongs to Eustenocrinida'
- 'Fibrocrinus belongs to Carpocrinidae'
- 'Fibrocrinus phragmos belongs to Fibrocrinus'
- 'Flexibilia belongs to Crinoidea'
- 'Fragucrinus belongs to Botryocrinidae'
- 'Fragucrinus bothros belongs to Fragucrinus'
- 'Gaurocrinus belongs to Reteocrinidae'
- 'Gaurocrinus nealli belongs to Gaurocrinus' according to Hall 1866
- 'Gaurocrinus nealli belongs to Gaurocrinus'
- 'Glyptocrinina belongs to Monobathrida'
- 'Haplocrinites hemisphaericus belongs to Haplocrinites' according to Troost 1850
- 'Haplocrinites hemisphaericus is a subjective synonym of Parapisocrinus quinquelobus'
- 'Homalocrinidae belongs to Icthyocrinacea'
- 'Homocrinida belongs to Disparida'
- 'Homocrinidae belongs to Homocrinida'
- 'Hormocrinus belongs to Nipterocrinidae'
- 'Hormocrinus quebecensis belongs to Hormocrinus'
- 'Icthyocrinacea belongs to Sagenocrinida'
- 'Icthyocrinidae belongs to Icthyocrinacea'
- 'Jovacrinus belongs to Patelliocrinidae'
- 'Jovacrinus jugum belongs to Jovacrinus'
- 'Jovacrinus spinosus belongs to Jovacrinus'
- 'Kastorcrinus belongs to Homocrinidae'
- 'Kastorcrinus chattertoni belongs to Kastorcrinus'
- 'Ladacrinus belongs to Taxocrinidae'
- 'Ladacrinus asynaptos belongs to Ladacrinus'
- 'Laurucrinus belongs to Dendrocrinidae'
- 'Laurucrinus sandtopensis belongs to Laurucrinus'
- 'Lecanocrinacea belongs to Sagenocrinida'
- 'Lecanocrinidae belongs to Lecanocrinacea'
- 'Levicyathocrinites belongs to Cyathocrinitidae'
- 'Levicyathocrinites sablensis belongs to Levicyathocrinites'
- 'Melocrinitacea belongs to Glyptocrinina'
- 'Monobathrida belongs to Camerata'
- 'Myelodactylida belongs to Disparida'
- 'Myelodactylidae belongs to Myelodactylida'
- 'Myelodactylus rotundatus belongs to Myelodactylus' according to Foerste 1919
- 'Myelodactylus rotundatus is recombined as Eomyelodactylus rotundatus'
- 'Myosocrinus belongs to Botryocrinidae'
- 'Myosocrinus chicottensis belongs to Myosocrinus'
- 'Nipterocrinidae belongs to Lecanocrinacea'
- 'Paramelocrinidae belongs to Melocrinitacea'
- 'Parapisocrinus belongs to Pisocrininae'
- 'Parapisocrinus ollula belongs to Parapisocrinus' according to Angelin 1878
- 'Parapisocrinus ollula belongs to Parapisocrinus'
- 'Parapisocrinus quinquelobus belongs to Parapisocrinus'
- 'Patelliocrinacea belongs to Glyptocrinina'
- 'Patelliocrinidae belongs to Patelliocrinacea'
- 'Periechocrinus latus belongs to Periechocrinus' according to Springer 1928
- 'Periechocrinus latus is recombined as Abacocrinus latus'
- 'Pisocrinida belongs to Disparida'
- 'Pisocrinidae belongs to Pisocrinida'
- 'Pisocrininae belongs to Pisocrinidae'
- 'Pisocrinus gorbyi is a subjective synonym of Parapisocrinus quinquelobus'
- 'Pisocrinus gorbyi belongs to Pisocrinus' according to Miller 1891
- 'Pisocrinus milligani belongs to Pisocrinus' according to Miller and Gurley 1895
- 'Pisocrinus milligani is a subjective synonym of Parapisocrinus quinquelobus'
- 'Pisocrinus quinquelobus belongs to Pisocrinus' according to Bather 1893
- 'Pisocrinus quinquelobus is a subjective synonym of Parapisocrinus quinquelobus'
- 'Plicodendrocrinacea belongs to Dendrocrinida'
- 'Plicodendrocrinidae belongs to Plicodendrocrinacea'
- 'Plicodendrocrinus belongs to Plicodendrocrinidae'
- 'Plicodendrocrinus epinettensis belongs to Plicodendrocrinus'
- 'Plicodendrocrinus observationensis belongs to Plicodendrocrinus'
- 'Porocrinidae belongs to Cyathocrinitacea'
- 'Protaxocrinus belongs to Taxocrinidae'
- 'Protaxocrinus paraios belongs to Protaxocrinus'
- 'Protaxocrinus sideros belongs to Protaxocrinus'
- 'Reteocrinidae belongs to Rhodocrinitacea'
- 'Reteocrinus fimbriatus is recombined as Gaurocrinus fimbriatus'
- 'Rhodocrinidae is corrected as Rhodocrinitidae and belongs to Rhodocrinitacea'
- 'Rhodocrinitacea belongs to Diplobathrida'
- 'Rugosocyathocrinites belongs to Cyathocrinitidae'
- 'Rugosocyathocrinites pauli belongs to Rugosocyathocrinites' according to Frest 1977
- 'Rugosocyathocrinites pauli belongs to Rugosocyathocrinites'
- 'Rugosocyathocrinites sanduskyensis belongs to Rugosocyathocrinites' according to Frest 1977
- 'Rugosocyathocrinites sanduskyensis belongs to Rugosocyathocrinites'
- 'Rugosocyathocrinites striatissimus belongs to Rugosocyathocrinites' according to Frest 1977
- 'Rugosocyathocrinites striatissimus belongs to Rugosocyathocrinites'
- 'Sagenocrinida belongs to Flexibilia'
- 'Salinocrinus belongs to Crotalocrinitidae'
- 'Salinocrinus conus belongs to Salinocrinus'
- 'Scyphocrinus heterocostalis belongs to Scyphocrinus' according to Hall 1847
- 'Scyphocrinus heterocostalis is recombined as Cupulocrinus heterocostalis'
- 'Stelidiocrinidae belongs to Patelliocrinacea'
- 'Stelidiocrinus belongs to Stelidiocrinidae'
- 'Stipatocrinacea belongs to Glyptocrinina'
- 'Stipatocrinidae belongs to Stipatocrinacea'
- 'Stipatocrinus belongs to Stipatocrinidae'
- 'Stipatocrinus hulveri belongs to Stipatocrinus'
- 'Taxocrinacea belongs to Taxocrinida'
- 'Taxocrinida belongs to Flexibilia'
- 'Taxocrinidae belongs to Taxocrinacea'
- 'Taxocrinus ovalis belongs to Taxocrinus' according to Angelin 1878
- 'Taxocrinus ovalis is recombined as Protaxocrinus ovalis'
- 'Ursucrinus belongs to Rhodocrinitidae'
- 'Ursucrinus stellatus belongs to Ursucrinus'
- 'Xenocrinacea belongs to Compsocrinina'
- 'Xenocrinidae belongs to Xenocrinacea'
- 'Xenocrinus belongs to Xenocrinidae'
- 'Xenocrinus penicillus belongs to Xenocrinus'
- 'Xenocrinus rubus belongs to Xenocrinus'