Cephalopoda - Ammonitida - Oppeliidae
Alternative spelling: Hemihaploceras
Parent taxon: Taramelliceras according to R. Schlegelmilch 1994
See also Arkell et al. 1957 and Sepkoski 2002
Sister taxa: Taramelliceras (Fontannesiella), Taramelliceras (Metahaploceras), Taramelliceras (Oxyoppelia), Taramelliceras (Proscaphites), Taramelliceras (Richeiceras), Taramelliceras (Strebliticeras), Taramelliceras (Taramelliceras), Taramelliceras acallopistum, Taramelliceras compsum, Taramelliceras copsum, Taramelliceras costatum, Taramelliceras externnodosum, Taramelliceras lochense, Taramelliceras minax, Taramelliceras subnereus, Taramelliceras theoi, Taramelliceras velox
Subtaxa: Taramelliceras (Hemihaploceras) multinodum Taramelliceras (Hemihaploceras) nobile Taramelliceras (Hemihaploceras) pugile
Type: Oppelia nobilis
Distribution: