| Alvania fenestrata | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. fenestrata |
| Binomial name | |
| Alvania fenestrata (Krauss, 1848) | |
| Synonyms | |
| |
Alvania fenestrata is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]
Description
The length of the shell attains 4 mm, its diameter 2 mm.
The smooth protoconch consists of three whorls, forming a conical apex. There are three postnatal whorls. The sculpture consists of 16-18 axial riblets that continue across the base. There are two spiral lirae on Ist and 2nd whorls, 3 on 3rd. The intersections are nodulose. The base of the shell contains three spiral lirae. [2]
Distribution
This species occurs off the coast of KwaZulu-Natal, South Africa.
Fossils were found in Pleistocene strata in the Little Brak River, South Africa.
References
- ↑ MolluscaBase eds. (2023). MolluscaBase. Alvania fenestrata (Krauss, 1848). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=594838 on 2023-12-26
- ↑
- Kilburn, R.N. & Rippey, E. (1982) Sea Shells of Southern Africa. Macmillan South Africa, Johannesburg, xi + 249 pp.
External links
- Krauss, F. (1848) Die Südafrikanischen Mollusken. Ein Beitrag zur Kenntniss der Mollusken des Kap- und Natallandes und zur Geographischen Verbreitung derselben mit Beschreibung und Abbildung der neuen Arten. Ebner and Seubert, Stuttgart, 140 pp., 6 pls
- Barnard, K. H. (1963). Contributions to the knowledge of South African marine Mollusca. Part III. Gastropoda: Prosobranchiata: Taenioglossa. Annals of the South African Museum 47(1): 1-199
- Barnard, K.H. 1974. Contributions to the knowledge of South African Marine Mollusca. Part VII. Revised fauna list. Annals of the South African Museum, 47(5): 663-781
- Malacopics Photogallery: image
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