Alvania dictyophora

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Alvania dictyophora
Alvania dictyophora 002.jpg
Shell of Alvania dictyophora (specimen at the Natuurhistorisch Museum, Rotterdam)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Rissoidae
Genus: Alvania
Species:
A. dictyophora
Binomial name
Alvania dictyophora
(Philippi, 1844)
Synonyms
  • † Alvania (Alvinia) circumcinctaL. Seguenza, 1903
  • † Alvania circumcinctaL. Seguenza, 1903
  • Alvinia dictyophora(R. A. Philippi, 1844) superseded combination
  • † Alvania (Alvinia) circumcinctaL. Seguenza, 1903
  • Rissoa dictyophoraR. A. Philippi, 1844 superseded combination
  • Rissoa dictysphora [sic[ misspellingAlvinia dictyophora(Philippi 1844)

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

Contents

Description

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

The thin shell is hyaline. It is dark brown or fulvous. It has distant thin longitudinal, and stronger, more distant spiral lirae, two of the latter in the penultimate and five in the body whorl; perforate. The outer lip is thin. [2]

Distribution

This species occurs in European waters (off the Azores) and rare in the Mediterranean Sea (off Sicily and Greece).

Fossils were found in Pliocene strata near San Miniato, Italy.

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References

  1. ↑ Alvania dictyophora (Philippi, 1844) . Gofas, S. (2009). Alvania dictyophora (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=141178 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
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