Polymorphina biserialis
Galloway and Wissler, 1927
type specimen   holotype
Quaternary
Western Canada and USA

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

Polymorphina costatula
Galloway and Wissler, 1927
type specimen   holotype
Quaternary
Western Canada and USA

Polymorphina doanei
Galloway and Wissler, 1927
type specimen   holotype
Quaternary
Western Canada and USA

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

Polymorphina flintii
Cushman, 1923
identified by M. Hesemann   
Quaternary
off Spitsbergen

Polymorphina jacksonensis
Cushman, 1926
identified by M. Hesemann   
Paleogene
American South

Polymorphina mendezensis
White, 1928
type specimen   holotype
Cretaceous
Mexico and Middle America

Polymorphina rugosa
d'Orbigny, 1839
identified by scientist   
Quaternary

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

Polymorphina torta
Galloway and Wissler, 1927
type specimen   holotype
Quaternary
Western Canada and USA