Alvania sororcula
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| Alvania sororcula | |
|---|---|
 | |
| Shell of Alvania sororcula (specimen at the Natural History Museum, Rotterdam) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. sororcula |
| Binomial name | |
| Alvania sororcula Granata-Grillo, 1877 | |
| Synonyms | |
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Alvania sororcula is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]
The length of the shell varies between 3 mm and 4 mm.
The shell is whitish or fulvous.it shows prominent spiral lirae, decussated by a less elevated longitudinal sculpture, which becomes obsolete on the base. The shell contains five, convex, subangulate whorls. The suture is deepand channeled. The outer lip is scarcely varicose.[2]
