Alvania raulini
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| Alvania raulini | |
|---|---|
| Shell of Alvania raulini (holotype) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | †A. raulini |
| Binomial name | |
| †Alvania raulini Cossmann & Peyrot, 1919 | |
Alvania raulini is an extinct species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]
The shell has a notable turbinate shape and a bumpy exterior. The aperture is quite large and strudy. The length of the shell attains 1.5 mm, its diameter 1 mm.