Alvania aspera is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1]
| Alvania aspera | |
|---|---|
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| Shell of Alvania aspera (specimen at the Natural History Museum, Rotterdam) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. aspera
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| Binomial name | |
| Alvania aspera (Philippi, 1844)
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| Synonyms | |
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Rissoa aspera R. A. Philippi, 1844 superseded combination | |
Description edit
The length of the shell varies between 1.5 mm and 3.7 mm.
The shell resembles Alvania lineata, but the decussations are deeper, giving the nodules a rough appearance.[2]
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Distribution edit
This species occurs in the Mediterranean Sea off Tunisia and Greece.
References edit
- ^ Alvania aspera (Philippi, 1844). Gofas, S. (2009). Alvania aspera (Philippi, 1844). In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://marinespecies.org/aphia.php?p=taxdetails&id=141159 on 9 August 2010 .
- ^ G.W. Tryon (884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9
External links edit
- Philippi, R. A. (1844). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 2.. Halle (Halis Saxorum): Eduard Anton. iv + 303 pp., pls 13-28
- Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213
- Thanasis Manousis, The Marine Mollusca of Greece: an up-to-date, systematic catalogue, documented with bibliographic and pictorial references
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