Gastropoda - Bellerophontida - Bellerophontidae

Full reference: G.P. Wahlman. 1992. Middle and Upper Ordovician symmetrical univalved molluscs (Monoplacophora and Bellerophontina) of the Cincinnati Arch region. United States Geological Survey Professional Paper 1066(O):1-123

Parent taxon: Bellerophontidae according to P. Bouchet et al. 2005

Sister taxa: Bellerophontinae, Cymbulariinae, Dicellonema, Khumerspira, Knightitinae, Teutonophon, Yochelsonellisa

Subtaxa: Bucanopsis, Sphenosphaera

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Ecology: slow-moving low-level epifaunal detritivore