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, Aethocrinidae, Aithriocrinus, Ampelocrinida, Apektocrinidae, Bicidiocrinus, Briseocrinus, Cathetocrinus, Cromyocrinacea, Cyathocrinacea, Dendrocrinina, Dimerocrinites anticostiensis, Eucladida, Flexibilia, Harmostocrinus, Idaeumocrinus, Kanabinocrinus, Kansacrinus, Kooptoonocrinus, Lanecrinus, Lekocrinus, Mathericrinus, Menniscocrinus, Nacocrinus, Nuxocrinus, Parascytalocrinus, Perittocrinus, Poteriocrinina, Poteriocrinitina, Pskovicrinus, Pulaskicrinus, Pyrenocrinus, Rimosidocrinus, Saccosompsis, Sardinocrinus, Scammatocrinus, Treocrinus, Wetherbyocrinus, Worthenocrinus
Subtaxa: Hybocrinida Porocrinida
Ecology: stationary intermediate-level epifaunal suspension feeder