†family Cromyocrinidae Bather 1890 (feather star)
Washburn (1968) lists this family as Cromyocrinidae Jaekel, 1918
Full reference: F. A. Bather. 1890. British fossil crinoids. II. The classification of the Inadunata. Annals and Magazine of Natural History, ser. 6 5:310-334
Parent taxon: Cromyocrinoidea according to G. D. Webster et al. 2009
Sister taxa: none
Subtaxa: Aglaocrinus, Dicromyocrinus, Goleocrinus, Metacromyocrinus, Minilyacrinus, Moapacrinus, Paracromyocrinus, Parethelocrinus, Parulocrinus, Synarmocrinus, Ulocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder