Polymorphina complanata
d'Orbigny, 1846
type specimen   lectotype
Neogene
Vienna Basin

Polymorphina eximia
McCulloch, 1977
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea

Polymorphina rugosa
d'Orbigny, 1839
identified by scientist   
Quaternary

Polymorphina spinosa
(d'Orbigny, 1846)
type specimen   lectotype
Neogene
Vienna Basin

Polymorphina spinosa
(d'Orbigny, 1846)
identified by scientist   
Quaternary