Alvania cossmanni
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| Alvania cossmanni | |
|---|---|
 | |
| Shell of Alvania cossmanni (holotype) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | †A. cossmanni |
| Binomial name | |
| †Alvania cossmanni Harmer, 1920 | |
Alvania cossmanni is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1]
