†order Cyathocrinida Bather 1899 (Sea lily)
Alternative spellings: Cyathocrinina, Cyathocrinina
Parent taxon: Cyathoformes according to D. F. Wright et al. 2017
See also Arendt 1970, Arendt 1981, Arendt 1996, Ausich 1998, Ausich and Copper 2010, Campbell and Bein 1971, Haugh 1979, Ubaghs et al. 1978, Webster 2006, Webster and Lane 1987, Webster and Webster 2012 and Wright et al. 2019
Sister taxa: Barycrinus, Botryocrinus, Dendrocrinida, Erisocrinoidea, Lophocrinoidea, Manicrinus, Poteriocrinina, Scytalocrinoidea, Texacrinoidea
Subtaxa: Codiacrinacea Codiacrinoidea Cyathocrinitoidea Gasterocomacea Gasterocomoidea Hypocrinacea Parastephanocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder