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.Davis G. M. (1979). "The origin and evolution of the gastropod family Pomatiopsidae, with emphasis on the Mekong river Triculinae". Academy of natural Sciences of Philadelphia, Monograph 20: 1-120. . at Google Books.
Description In 1862, the American malacologist George Washington Tryon first defined this genus. Tryon's diagnosis reads as follows:
Species There are four species within the genus Pomatiopsis:
Pomatiopsis binneyi Tryon, 1863 Pomatiopsis californica Pilsbry, 1899 Pomatiopsis chacei Pilsbry, 1937 Pomatiopsis cincinnatiensis (Lea, 1840) Pomatiopsis hinkleyi Pilsbry, 1896 Pomatiopsis lapidaria (Say, 1817) - type species
Ecology Species in the genus Pomatiopsis are amphibious, living in humid habitats, on marshy ground and in periodically flooded soil (Pomatiopsis californica and Pomatiopsis lapidaria), in trickling water (Pomatiopsis binneyi) and on mud of streams (Pomatiopsis cincinnatiensis).
References This article incorporates public domain text from the reference
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