Alvania beyrichii is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1]
| Alvania beyrichii | |
|---|---|
| |
| Shell of Alvania beyrichii (holotype) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | †A. beyrichii
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| Binomial name | |
| †Alvania beyrichii (Bosquet, 1859)
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| Synonyms | |
|
† Rissoa beyrichii Bosquet, 1859 (basionym; does not belong to Rissoa) | |
Description
editThe length of the shell attains 1.6 mm, its diameter 1.2 mm.
This section needs expansion. You can help by adding to it. (February 2024) |
Distribution
editFossils of this species were found in Lower Oligocene strata in Belgium.
References
edit- ^ MolluscaBase eds. (2024). MolluscaBase. Alvania beyrichii (Bosquet, 1859) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1376484 on 2024-02-08
- Glibert, M. and J. de Heinzelin de Braucourt. (1954). L'Oligocène Inférieur Belge. Volume Jubilaire Victor van Straelen. 281–438; plates I-VII. 97; plates I-X.
External links
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