Heterogen longispira is a species of operculate freshwater snail, aquatic gastropod mollusks in the family Viviparidae.
Heterogen longispira is the only species in the genus Heterogen.
Heterogen longispira is endemic to Lake Biwa, Japan.
Heterogen longispira is a species of operculate freshwater snail, aquatic gastropod mollusks in the family Viviparidae.
Heterogen longispira is the only species in the genus Heterogen.