†Ptychomphalus Agassiz 1839
Gastropoda - Ptychomphaloidea - Ptychomphalidae
Alternative spelling: Pleurotomaria (Ptychomphalus)
Parent taxon: Ptychomphalidae according to K. Bandel 2009
Sister taxon: Ptychomphalina
Subtaxa: Pleurotomaria (Ptychomphalus) kirillowensis, Ptychomphalus benedianus, Ptychomphalus conimorphus, Ptychomphalus neumayri, Ptychomphalus palaeopsis, Ptychomphalus protei, Ptychomphalus tieni