Parent taxon: Cladida according to J. G. Johnson and N. G. Lane 1969
See also Ausich 1998, Ausich and Copper 2010, Kammer and Roeser 2012, Ubaghs et al. 1978, Webster 2006, Webster and Jell 1992, Webster and Lane 1987 and Webster and Webster 2012
Sister taxa: Aaglacrinus, Aethocrinidae, Aithriocrinus, Ampelocrinida, Apektocrinidae, Bicidiocrinus, Briseocrinus, Cathetocrinus, Cromyocrinacea, Dendrocrinina, Dimerocrinites anticostiensis, Eucladida, Flexibilia, Harmostocrinus, Idaeumocrinus, Kanabinocrinus, Kansacrinus, Kooptoonocrinus, Lanecrinus, Lekocrinus, Mathericrinus, Menniscocrinus, Nacocrinus, Nuxocrinus, Parascytalocrinus, Perittocrinus, Porocrinoidea, Poteriocrinina, Poteriocrinitina, Pskovicrinus, Pulaskicrinus, Pyrenocrinus, Rimosidocrinus, Saccosompsis, Sardinocrinus, Scammatocrinus, Treocrinus, Wetherbyocrinus, Worthenocrinus
Subtaxa: none
Type: Cyathocrinitidae
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: there are no occurrences of Cyathocrinacea in the database