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Alvania scabra

From Wikipedia, the free encyclopedia

Alvania scabra
Shell of Alvania scabra
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Rissooidea
Family: Rissoidae
Genus: Alvania
Species:
A. scabra
Binomial name
Alvania scabra
(Philippi, 1844)
Synonyms
  • Alvania oranica (Pallary, 1900)
  • Alvaniella scabra (R. A. Philippi, 1844) superseded combination
  • Rissoa mutabilis Schwartz von Mohrenstern, 1868 (nomen nudum)
  • Rissoa oranica Pallary, 1900
  • Rissoa scabra R. A. Philippi, 1844 superseded combination
  • Rissoa scabra var. rubescens Monterosato, 1877 (a colour variety; infrasubspecific)

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

Description

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The length of the shell varies between 1.5 mm and 3 mm.

The shell is longitudinally plicate, obsolete below, spirally lirate, forming mamillary tubercles. It contains 6 slightly convex whorls. The shell is white, maculated with chestnut. The outer lip is sulcate within, varicose externally. [2]

Distribution

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This species occurs in the Mediterranean Sea (Spain, Algeria, Italy, Greece); in the Atlantic Ocean off Madeira.

References

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  1. ^ Alvania scabra (Philippi, 1844). Gofas, S. (2009). Alvania scabra (Philippi, 1844). In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141233 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 Public Domain This article incorporates text from this source, which is in the public domain.
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