Fissurella afra
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 |
Fissurella afra is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.[1]
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]
References
- ↑ Fissurella afra Quoy & Gaimard, 1834. Retrieved through: World Register of Marine Species on 19 April 2010.
- ↑ Manual of Conchology; Structural and Systematic. pp. 169
- ↑ Voyage de l'Astrolabe Zool.. Vol. 3, p. 336