Kingdom Animalia Superfamily Punctoidea Genus Punctum Phylum Mollusca | Class Gastropoda Family Punctidae Scientific name Punctum pygmaeum Rank Species | |
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Similar Euconulus fulvus, Vallonia costata, Vertigo pygmaea, Cochlicopa lubrica, Carychium tridentatum | ||
Punctum pygmaeum is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.
Contents
Shell description
For terms see gastropod shell The shell is very small, 1.2-1.6 mm in width.
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).
Distribution
This species occurs in countries and islands including:
References
Punctum pygmaeum Wikipedia(Text) CC BY-SA