†Calliomphalus (Planolateralus) (snail)
Gastropoda - Seguenzioidea - Eucyclidae
Parent taxon: Calliomphalus according to
Sister taxa: Calliomphalus (Calliomphalus), Calliomphalus (Planolateralus) angustus, Calliomphalus (Planolateralus) conanti, Calliomphalus (Planolateralus) decoris, Calliomphalus bicarinatus, Calliomphalus galalaensis, Calliomphalus microcancelli
Subtaxa: Calliomphalus (Planolateralus) tuberculosus
Ecology: epifaunal grazer
Distribution:
• Cretaceous of United States (8: Mississippi collections)
Total: 8 collections each including a single occurrence