Full reference: D. F. Wright, W. I. Ausich, S. R. Cole, M. E. Peter, and E. C. Rhenberg. 2017. Phylogenetic taxonomy and classification of the Crinoidea (Echinodermata). Journal of Paleontology 91(4):829-846
Parent taxon: Cladida according to D. F. Wright et al. 2017
See also Ausich et al. 2018 and Wright et al. 2019
Sister taxa: Aaglacrinus, Aithriocrinus, Ampelocrinida, Apektocrinidae, Bicidiocrinus, Briseocrinus, Cathetocrinus, Contignatindocrinus, Cromyocrinacea, Cyathocrinacea, Dendrocrinina, Dimerocrinites anticostiensis, Eopilidiocrinus, Eucladida, Flexibilia, Goniocrinus, Harmostocrinus, Idaeumocrinus, Kanabinocrinus, Kansacrinus, Kooptoonocrinus, Lanecrinus, Lekocrinus, Lophocrinacea, Manicrinus, Mathericrinus, Menniscocrinus, Miatschkovocrinus, Nacocrinus, Nuxocrinus, Parascytalocrinus, Poteriocrinitina, Premanicrinus, Pskovicrinus, Pulaskicrinus, Pumilindocrinus, Pyrenocrinus, Rimosidocrinus, Saccosompsis, Sardinocrinus, Scammatocrinus, Texacrinacea, Treocrinus, Wetherbyocrinus, Worthenocrinus
Subtaxa: Hybocrinida Porocrinida
Ecology: stationary intermediate-level epifaunal suspension feeder