Pomatiopsis
Pomatiopsis is a genus of amphibious snails with gills and an operculum, aquatic freshwater gastropod mollusks in the family Pomatiopsidae.
Pomatiopsis is the type genus of the family Pomatiopsidae.
Distribution
The distribution of the genus Pomatiopsis includes the USA: West Coast of the United States, Midwestern United States and Eastern United States.
Description
In 1862, the American malacologist George Washington Tryon first defined this genus. Tryon's diagnosis reads as follows:
There are four species within the genus Pomatiopsis:Pomatiopsis binneyi Tryon, 1863Pomatiopsis californica Pilsbry, 1899Pomatiopsis chacei Pilsbry, 1937Pomatiopsis cincinnatiensis Pomatiopsis hinkleyi Pilsbry, 1896Pomatiopsis lapidaria - type species
Ecology
Species in the genus Pomatiopsis are amphibious, living in humid habitats, on marshy ground and in periodically flooded soil, in trickling water and on mud of streams.