Paragastropoda - Mimospirida - Onychochilidae

Full reference: T. Kobayashi. 1933. Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids. Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology 3(7):249-328

Parent taxon: Onychochilidae according to R. M. Linsley and W.M. Kier 1984

Sister taxa: Antispira, Helicotis, Hyperstropheminae, Invertospira, Kistasella, Kobayashiella, Laeogyra, Matherella, Onychochilinae, Pervertina, Scaevogyrinae, Sinistracirsa, Sinistriconcha, Versispira, Voskopiella, Yuwenia

Subtaxa: none