†order Millericrinida Sieverts-Doreck 1953 (Sea lily)
Parent taxon: Articulata according to D. F. Wright et al. 2017
See also Ausich 1998, Hess and Messing 2011, Rasmussen 1961 and Sepkoski 2002
Sister taxa: Bihaticrinus, Comatulida, Corythocrinus, Cratecrinus, Cyclocrinidae, Cyrtocrinida, Encrinida, Holocrinida, Hyocrinida, Isocrinida, Lanternocrinidae, Leocrinidae, Qingyanocrinidae, Roveacrinida, Taurocrinus, Tulipacrinidae, Uintacrinida
Subtaxa: Amaltheocrinus Apiocrinitidae Bangtoupocrinidae Carinacrinus Catinicrinus Hyocrinina Millericrinidae Millericrinina Neodadocrinidae Rotacrinus Serracrinus Souticrinus
Ecology: stationary epifaunal suspension feeder