Heterogen longispira

Heterogen longispira is a species of operculate freshwater snail, aquatic gastropod mollusks in the family Viviparidae.

Heterogen longispira
shells of Heterogen longispira
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda informal group Architaenioglossa
Superfamily:	Viviparoidea
Family:	Viviparidae
Genus:	Heterogen Annandale, 1921[1]
Species:	H. longispira
Binomial name
Heterogen longispira (E. A. Smith, 1886)

Heterogen longispira is the only species in the genus Heterogen.

Distribution

Heterogen longispira is endemic to Lake Biwa, Japan.