Alvania dijkstrai

Alvania dijkstrai is a species of minute sea snail in the family Rissoidae endemic to the Savage Islands of Portugal.[1]

Alvania dijkstrai
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Rissoidae
Genus: Alvania
Species:
A. dijkstrai
Binomial name
Alvania dijkstrai
(Hoenselaar & Goud, 1998)

Description

It has an ovate shell, 2.10 to 2.75 millimetres (0.083 to 0.108 in) in height and 1.25 to 1.50 millimetres (0.049 to 0.059 in) in length with a thin outer lip. Sometimes two rows of very vague, light brown dots are visible on the ultimate whorl, one just subsutural and one on the shell base.[2]

Distribution

It is endemic to the Selvagens Archipelago off Northwest Africa.[1]

References

  1. Alvania dijkstrai (Hoenselaar & Goud, 1998). Gofas, S. (2009). Alvania dijkstrai (Hoenselaar & Goud, 1998). 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=141179 on 9 August 2010 .
  2. "The Rissoidae of the CANCAP expeditions, I: the genus Alvania Risso, 1826 (Gastropoda Prosobranchia)". H.J. Hoenselaar & J. Goud. Retrieved 27 November 2020.


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