Alvania alexandrae
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| Alvania alexandrae | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | †A. alexandrae |
| Binomial name | |
| †Alvania alexandrae O. Boettger, 1902 | |
| Synonyms | |
| |
Alvania alexandrae is an extinct species of small sea snail, first described by Otto Boettger in 1902 from fossils found in Romania. It belongs to the Rissoidae family.[1]
Taxonomy and classification
Alvania alexandrae is a marine gastropod mollusk in the family Rissoidae, part of the order Littorinimorpha. The genus Alvania is known for its minute sea snails, with shells typically measuring between 1 mm and 7 mm, ovate-conical in shape, and featuring reticulated axial and spiral elements. The species was described by Otto Boettger in his 1902 publication Zur Kenntnis der Fauna der mittelmiocänen Schichten von Kostej im Krassó-Szörényer Komitat, which focused on the fauna of middle Miocene deposits in what is now Romania.
Description and morphology
The length of the shell attains 3 mm, its diameter 1.5 mm.
