| Vertigo genesii | |
|---|---|
| Drawing of the shell of Vertigo genesii. | |
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Superfamily: | Pupilloidea |
| Family: | Vertiginidae |
| Subfamily: | Vertigininae |
| Tribe: | Vertiginini |
| Genus: | Vertigo |
| Subgenus: | Vertigo |
| Species: | V. genesii |
| Binomial name | |
| Vertigo genesii (Gredler, 1856)[2] |
|
| Synonyms | |
|
Pupa Genesii Gredler, 1856[2] |
|
Vertigo genesii, common name the round-mouthed whorl snail, is a species of small land snail from the family Vertiginidae.
Contents |
The 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.[3]
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.[3]
The width of the adult shell is 1.03-1.20 mm, the height is 1.63-2.00 mm.[4]
The animal body color is raven-black. The tentacles are short, contracted in the middle.[3]
This article incorporates public domain text from reference [3].