Punctum pygmaeum
Punctum pygmaeum is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.
| Punctum pygmaeum | |
|---|---|
 | |
| Five views of a shell of Punctum pygmaeum | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | |
| Superfamily: | |
| Family: | |
| Genus: | Punctum |
| Species: | P. pygmaeum |
| Binomial name | |
| Punctum pygmaeum (Draparnaud, 1801)[1] | |
| Synonyms | |
|
Helix pygmæa Draparnaud, 1801 | |
Shell description
For terms see gastropod shell The shell is very small, 1.2-1.6 mm in width.[2]
The 0.6-0.8 x 1.2-1.6 mm shell is almost flat, extremely densely and regularly striated, appearing silky shiny light horny brown. There are 3-3.5 moderately convex whorls, the aperture is rounded, with a thin margin which is not reflected and without a lip. The umbilicus is wide (25% of shell diameter).[3]
Distribution
This species occurs in countries and islands including:
- Czech Republic
- Great Britain
- Ireland
- Slovakia
- Poland
- Ukraine[4]
- Netherlands
- Latvia
- Bulgaria
- and other areas
References
- Draparnaud J. P. R. 1801. Tableau des mollusques terrestres et fluviatiles de la France. pp. [1-2], 1-116. Montpellier, Paris. (Renaud; Bossange, Masson & Besson).
- (Welter-Schultes)
- Animalbase (Welter-Schultes)
- Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
External links
- Punctum pygmaeum at Animalbase taxonomy,short description, distribution, biology,status (threats), images
- Punctum pygmaeum images at Encyclopedia of Life
 |
Wikimedia Commons has media related to Punctum pygmaeum. |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.