| Alvania sacyi | |
|---|---|
 | |
| Shell of Alvania sacyi (holotype at MNHN, Paris) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | †A. sacyi |
| Binomial name | |
| †Alvania sacyi Cossmann, 1921 | |
Alvania sacyi is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae. [1]
The length of the shell attains 3 mm, its diameter 2.5 mm.
 | This section needs expansion. You can help by adding to it. (February 2024) |
Fossils of this species were found in Oligocene strata in Aquitaine, France.
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Alvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Alvania masirahensis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
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Alvania littorinoides is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania peyreirensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania aglaja is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania euphrosine is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
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