†family Tetracrinidae Jaeger 1995 (Sea lily)
Crinoidea - Cyrtocrinida - Tetracrinidae
Parent taxon: Plicatocrinoidea according to H. Hess and C. G. Messing 2011
See also Hess 2012
Sister taxa: Plicatocrinidae, Quenstedticrinidae
Subtaxa: Arzocrinus Bilecicrinus Praetetracrinus Tetracrinus
Type: Tetracrinus
Ecology: stationary epifaunal suspension feeder
Distribution: