Anisancylus

Anisancylus is a genus of small, freshwater, air-breathing limpets, aquatic pulmonate gastropod molluscs in the family Planorbidae, the ram's horn snails and their allies.

Anisancylus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Superorder:	Hygrophila
Family:	Planorbidae
Tribe:	Ancylini
Genus:	Anisancylus Pilsbry & Vanatta 1924[1]
Species
See text

Anatomy

These animals have a pallial lung, as do all pulmonate snails, but they also have a false gill or "pseudobranch" which can serve perfectly well as a gill when they are unable to reach the surface for air.

Species

Species within the genus Anisancylus include:^[2][3]

• Anisancylus dutrae Santos, 1994
• Anisancylus obliquus Broderip & Sowerby, 1832