Kingdom Animalia Superfamily Pupilloidea Genus Pyramidula Phylum Mollusca | Class Gastropoda Family Pyramidulidae Scientific name Pyramidula pusilla Rank Species | |
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Similar Merdigera obscura, Truncatellina cylindrica, Pupilla triplicata, Vallonia enniensis, Acanthinula aculeata | ||
Pyramidula pusilla is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pyramidulidae.
Contents
Shell description
The width of the shell is up to 2.95 mm, the height is up to 2.25 mm. In colour it is dark brown. The shell form is low conical, broader than high. The apical whorls regularly increase. The umbilicus is 1/4 of the diameter (in some Spain localities 1/3). Growth are lines fine and narrow, sometimes weak.
Distribution
The geographical distribution of this species is mainly Mediterranean: western and central Europe, southeastern Europe, Caucasus, Central Asia and probably the Russian Far East.
Europe (not a complete list):
Southwestern Asia (not a complete list):
Central Asia:
References
Pyramidula pusilla Wikipedia(Text) CC BY-SA