Superfamily Gastrodontoidea Subfamily Godwiniinae Rank Species | Genus Perpolita | |
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Similar Nesovitrea, Aegopinella pura, Vitrea crystallina, Punctum pygmaeum, Euconulus fulvus | ||
Perpolita hammonis is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oxychilidae. In modern sources usually classified in the genus Nesovitrea.
Contents
Description
For terms see gastropod shell
The 1.9-2.1 x 3.6-4.1 mm shell has 3-3.5 whorls.These are usually reddish brown, with regular radial riblets (9-14 riblets/mm).The umbilicus is open and not deep, and slightly excentric at the last whorl.Fresh shells have very faintly visible spiral lines under high magnification, about 10 spiral lines per radial riblet, 100-150 lines/mm.The animal is slender and blackish.The tentacles are black. The foot is narrow, and grey in colour with blackish upper sides and black spots on the sides.The mantle is light grey.
Distribution
This species is known to occur in a number of countries and islands including: