Perpolita hammonis

Perpolita hammonis
Perpolita hammonis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
clade limacoid clade
Superfamily: Gastrodontoidea
Family: Oxychilidae
Subfamily: Godwiniinae
Genus: Perpolita
Species: P. hammonis
Binomial name
Perpolita hammonis
(Strøm, 1765)
Synonyms

Nesovitrea hammonis

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.

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.[1]

Distribution

This species is known to occur in a number of countries and islands including:

References

  1. ↑ Animalbase (Welter-Schultes)
  2. ↑ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.


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