Fissurella afra

Fissurella afra is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.[1]

Fissurella afra
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Vetigastropoda
Superfamily:
Fissurelloidea
Family:
Fissurellidae
Subfamily:
Fissurellinae
Genus:
Fissurella
Species:
F. afra
Binomial name
Fissurella afra
Quoy & Gaimard, 1834
Synonyms

Fissurella de Praya

Description

Fissurella afra has on ovate-oblong and convex shell. The bull-fish within it is painted with brownish-violet rays and is white within. For the rest it is ovate, conicale, and obtuse at its summit; its fissure is ovate and contracted in the middle. Fissurella afra is also very finely striated radiately, and marked in the same way with radiating bands of a violaceous-brown on a yellowish-white ground. This species is often confused with the D. nimbosa, but its summit is more elevated and the aperture is carried more forward.[2]

Length 9, breath 7, alt. 5 ½ lines.

Distribution

This particular species of mollusc is native to the Islands of the Archipelago or Capo Verde, in particular that of St. Iago.[3]

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References
  1. Fissurella afra Quoy & Gaimard, 1834. Retrieved through: World Register of Marine Species on 19 April 2010.
  2. George W. Tryon (October 2009). Manual of Conchology; Structural and Systematic. BiblioBazaar. p. 169. ISBN 978-1-115-31901-0.
  3. Voyage de l'Astrolabe Zool.. Vol. 3, p. 336


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