Rhynchonellata - Spiriferida - Ambocoeliidae
Full reference: T. N. George. 1931. Ambocoelia Hall and certain similar British Spiriferidae. Quarterly Journal of the Geological Society 87:30-62
Parent taxon: Ambocoeliinae according to A. Williams et al. 2006
Sister taxa: Ambocoelia, Attenuatella, Biconvexiella, Bisinocoelia, Cruricella, Cyrtinoides, Dicoelospirifer, Echinocoelia, Eoplicoplasia, Guangxiispirifer, Metaplasia, Orbicoelia, Paracrurithyris, Plicoplasia, Spinoplasia, Swaicoelia
Subtaxa: Crurithyris aquilonia, Crurithyris arcuata, Crurithyris changmeensis, Crurithyris clannyana, Crurithyris expansa, Crurithyris extumida, Crurithyris inflata, Crurithyris longa, Crurithyris longirostris, Crurithyris longtanica, Crurithyris major, Crurithyris muliensis, Crurithyris opalinus, Crurithyris planoconvexa, Crurithyris sulcata, Crurithyris tazawai, Crurithyris telleri, Crurithyris tianshengqiaoensis, Crurithyris uralica, Crurithyris wampensis
Ecology: stationary epifaunal suspension feeder