Alvania lactea | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Littorinimorpha |
Family: | Rissoidae |
Genus: | Alvania |
Species: | A. lactea |
Binomial name | |
Alvania lactea (Michaud, 1832) | |
Synonyms | |
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Alvania lactea 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 4 mm and 8 mm.
The thin shell is subtranslucid to opaque. It is feebly longitudinally and spirally closely costellate. The color is yellowish white or white. The shell contains 5-6, subconvex whorls with linear suture. The outer lip is scarcely thickened externally. [2]
This species occurs in the North Sea; also off Morocco and in the Black Sea; in the Mediterranean Sea off Greece.
Fossils were found in Pleistocene-Pliocene strata in the Netherlands and Pleistocene strata near Saint-Malo, France.
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