en Alvania weinkauffi

Alvania weinkauffi
	Shell of Alvania weinkauffi weinkauffi (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. weinkauffi
Binomial name
	Alvania weinkauffi; Weinkauff, 1868
Synonyms
	Alvinia weinkauffi (Weinkauff, 1868); Manzonia (Alvinia) weinkauffi (Schwartz von Mohrenstern, 1868);

Alvania weinkauffi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.^[1]

Subspecies

Alvania weinkauffi jacobusi Oliverio, Amati & Nofroni, 1986
Alvania weinkauffi weinkauffi (Weinkauff, 1868)

Description

The length of the shell varies between 2 mm and 4 mm.

The imperforate shell is thin, subpellucid and a little shining. It is whitish or yellowish. It has a clathrate sculpture by longitudinal riblets, and much stronger, distant spiral ridges. The shell contains six convex, angulated and shouldered whorls with a deeply incised suture. The aperture is smooth within and slightly varicose externally. ^[2]

Distribution

This species occurs in the Mediterranean Sea off Algeria, Tunisia and Sicily.

References

^ ^a ^b Alvania weinkauffi Weinkauff, 1868. Gofas, S. (2009). Alvania weinkauffi Weinkauff, 1868. 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=141255 on 9 August 2010 .
^ G.W. Tryon (1884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9 This article incorporates text from this source, which is in the public domain.

External links

[WoRMS-1] Alvania weinkauffi Weinkauff, 1868. Gofas, S. (2009). Alvania weinkauffi Weinkauff, 1868. 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=141255 on 9 August 2010 .

[2] G.W. Tryon (1884), Manual of conchology, structural and systematic : with illustrations of the species; Academy of Natural Sciences ser. 1, vol. 9 This article incorporates text from this source, which is in the public domain.

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