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Vertigo genesii
Vertigo genesii, common name the round-mouthed whorl snail, is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails.[3]  Shell descriptionThe shell is very small, ovate, obtuse, indistinctly, spaced striate, glossy purplish brown. The shell has 4½ whorls, that are rather convex, high, rapidly increasing, joined by a somewhat impressed suture, the penult large, almost ventricose. Umbilical opening is moderate.[4] The aperture is semirotund, nearly quadratic, without any folds. Peristome is scarcely expanded, thickened liplike, bordered with bluish black, the margins are connected by a very weak callus, the right margin is arched at the insertion.[4] The width of the adult shell is 1.03–1.20 mm, the height is 1.63–2.00 mm.[5] AnatomyThe animal body color is raven-black. The tentacles are short, contracted in the middle.[4] Distribution and conservation status
This species occurs in:
ReferencesThis article incorporates public domain text from reference.[4]
External links Wikimedia Commons has media related to Vertigo genesii. |
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