†Planorbis (snail)
Gastropoda - Planorboidea - Planorbidae
Parent taxon: Planorbidae according to K. V. Palmer and D. C. Brann 1966
Sister taxa: Biomphalaria, Bulinus, Ferrissia, Gyraulus, Helisoma, Isidora, Micromenetus, Planorbarius, Planorbella, Promenetus, Tropicorbis
Subtaxa: Planorbis austroalpinus, Planorbis praecursor, Planorbis primordialis
Ecology: epifaunal