Order Cyrtocrinida Sieverts-Doreck 1953 (Sea lily)
Parent taxon: Articulata according to D. F. Wright et al. 2017
See also Ausich 1998, Hess and Messing 2011, Jäger 1985, Rasmussen 1961 and Sepkoski 2002
Sister taxa: Bihaticrinus, Comatulida, Corythocrinus, Cratecrinus, Cyclocrinidae, Encrinida, Holocrinida, Hyocrinida, Isocrinida, Lanternocrinidae, Leocrinidae, Millericrinida, Qingyanocrinidae, Roveacrinida, Taurocrinus, Tulipacrinidae, Uintacrinida
Subtaxa: Aspidocrinus Cyrtocrinina Holopodina Lotocrinus
Ecology: stationary epifaunal suspension feeder