†order Hybocrinida Jaekel 1918 (Sea lily)
Parent taxon: Porocrinoidea according to D. F. Wright et al. 2017
See also Ausich 1998, Ausich et al. 2018, Parsley 1981, Regnell 1948 and Sepkoski 2002
Sister taxon: Porocrinida
Subtaxa: Baerocrinidae Cornucrinidae Cyathocrinoidea Hybocrinidae Hybocrinina Hybocystitidae
Ecology: stationary epifaunal suspension feeder