Opinions from R. K. Pabian and W. J. Rushlau 2002
- 'Adacrinus belongs to Cymbiocrinidae'
- 'Adacrinus edema belongs to Adacrinus'
- 'Aesiocrinus belongs to Cymbiocrinidae'
- 'Aesiocrinus detrusus belongs to Aesiocrinus' according to Strimple 1951
- 'Agassizocrinacea belongs to Cladida'
- 'Aglaocrinus belongs to Cromyocrinidae'
- 'Aglaocrinus compactus belongs to Aglaocrinus' according to Moore and Plummer 1940
- 'Aglaocrinus magnus belongs to Aglaocrinus' according to Strimple 1949
- 'Allosocrinus belongs to Cymbiocrinidae'
- 'Allosocrinus bronaughi belongs to Allosocrinus' according to Strimple 1949
- 'Anobasicrinidae belongs to Pirasocrinacea'
- 'Apographiocrinus platybasis belongs to Apographiocrinus' according to Pabian and Strimple 1980
- 'Apographiocrinus typicalis belongs to Apographiocrinus' according to Moore and Pummer 1940
- 'Arrectocrinus iowensis belongs to Arrectocrinus' according to Pabian and Strimple 1980
- 'Bathronocrinus belongs to Laudonocrinidae'
- 'Bathronocrinus turioformis belongs to Bathronocrinus' according to Strimple 1962
- 'Bathronocrinus wolfriverensis belongs to Bathronocrinus' according to Pabian and Strimple 1974
- 'Calycocrinidae belongs to Galateacrinidae'
- 'Catacrinidae belongs to Erisocrinacea'
- 'Contocrinus stantonensis belongs to Contocrinus' according to Strimple 1939
- 'Cymbiocrinidae belongs to Texacrinacea'
- 'Decadocrinidae belongs to Agassizocrinacea'
- 'Delocrinus vulgatus belongs to Delocrinus' according to Moore and Plummer 1940
- 'Erisocrinus typus belongs to Erisocrinus' according to Meek and Worthen 1865
- 'Exocrinus belongs to Exocrinidae'
- 'Exocrinus multirami belongs to Exocrinus' according to Strimple 1949
- 'Galateacrinidae belongs to Texacrinacea'
- 'Galateacrinus gossameri belongs to Galateacrinus' according to Pabian and Strimple 1974
- 'Glaukosocrinus berryi belongs to Glaukosocrinus'
- 'Graffhamicrinus magnijkus belongs to Graffhamicrinus' according to Strimple 1947
- 'Graffhamicrinus subcoronatus belongs to Graffhamicrinus' according to Moore and Plummer 1940
- 'Haeretocrinus belongs to Scytalocrinidae'
- 'Haeretocrinus missouriensis belongs to Haeretocrinus' according to Moore and Plummer 1940
- 'Laudonocrinidae belongs to Lophocrinacea'
- 'Lophocrinacea belongs to Cladida'
- 'Moundocrinus belongs to Ampelocrinidae'
- 'Paramphicrinus belongs to Euryocrinidae'
- 'Parethelocrinus belongs to Cromyocrinidae'
- 'Parethelocrinus ellipticus belongs to Parethelocrinus' according to Strimple 1961
- 'Parethelocrinus variabilis belongs to Parethelocrinus' according to Strimple 1949
- 'Perimestocrinus subtilis is recombined as Vertigocrinus subtilis'
- 'Plaxocrinus belongs to Pirasocrinidae'
- 'Plaxocrinus crassidiscus belongs to Plaxocrinus' according to Miller and Gurley 1894
- 'Polusocrinus rosa belongs to Polusocrinus' according to Strimple 1951
- 'Sciadiocrinus belongs to Anobasicrinidae'
- 'Sciadiocrinus humilis belongs to Sciadiocrinus' according to Strimple 1951
- 'Scytalocrinacea belongs to Cladida'
- 'Stellarocrinidae belongs to Apographiocrinoidea'
- 'Stellarocrinus stillativus belongs to Stellarocrinus' according to White 1880
- 'Sublobalocrinus kaseri belongs to Sublobalocrinus' according to Pabian and Strimple 1980
- 'Synarmocrinus iatani belongs to Synarmocrinus' according to Strimple 1949
- 'Texacrinacea belongs to Cladida'
- 'Triceracrinus belongs to Pirasocrinidae'
- 'Triceracrinus moorei belongs to Triceracrinus' according to Bramlette 1943
- 'Ulocrinus belongs to Cromyocrinidae'
- 'Ulocrinus blairi is recombined as Parulocrinus blairi' according to Miller and Gurley 1894
- 'Ulocrinus buttsi belongs to Ulocrinus' according to Miller and Gurley 1888
- 'Vertigocrinus belongs to Pirasocrinidae'
- 'Vertigocrinus parilis belongs to Vertigocrinus' according to Moore and Plummer 1940