| Alvania scabra | |
|---|---|
| | |
| Shell of Alvania scabra | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. scabra |
| Binomial name | |
| Alvania scabra (Philippi, 1844) | |
| Synonyms | |
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Alvania scabra is a species of small sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae. [1]
The length of the shell varies between 1.5 mm and 3 mm.
The shell is longitudinally plicate, obsolete below, spirally lirate, forming mamillary tubercles. It contains 6 slightly convex whorls. The shell is white, maculated with chestnut. The outer lip is sulcate within, varicose externally. [2]
This species occurs in the Mediterranean Sea (Spain, Algeria, Italy, Greece); in the Atlantic Ocean off Madeira.