Emarginula octaviana

Emarginula octaviana is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.[2]

Emarginula octaviana
Top view of a shell of Emarginula octaviana
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Vetigastropoda
Superfamily:
Fissurelloidea
Family:
Fissurellidae
Subfamily:
Emarginulinae
Genus:
Emarginula
Species:
E. octaviana
Binomial name
Emarginula octaviana
Coen, 1939[1]
Synonyms

Emarginula elongata O. G. Costa, 1829 (preoccupied name)

Description

The size of the white shell varies between 7 mm and 15 mm. The shell has an oval-elongate contour and moderately elevated profile. The apex is close to the posterior margin, moderately coiled and not overhanging. The sculpture of the shell shows high, strong radial costae, some smaller radial costae intercalated on the sides, and comarginal lamellae forming a very coarse lattice with the costae. The slit in the shell is broad and rectangular, extending over 1/5 of the distance to apex.[2]

Distribution

This species occurs in the Mediterranean Sea and in the Atlantic Ocean off the Canary Islands, the Azores and from Southern Spain to Morocco.

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References
  1. Coen G. (1939). «Emarginulae» nuove del Mediterraneo. Acta Pontifica Academia Scientiarum 3(10): 69–72, 1 pl.. World Register of Marine Species, Retrieved 19 April 2010.
  2. Emarginula octaviana Coen, 1939. Retrieved through: World Register of Marine Species on 13 January 2013.
  • Coen G. (1939). «Emarginulae» nuove del Mediterraneo. Acta Pontifica Academia Scientiarum 3(10): 69–72, 1 pl.
  • Piani P. (1985). Revisione del genere Emarginula Lamarck, 1801 in Mediterraneo. Lavori, Società Italiana di Malacologia 21: 193–238
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
  • Ardovini, R.; Cossignani, T. (2004). West African seashells (including Azores, Madeira and Canary Is.) = Conchiglie dell'Africa Occidentale (includes Azzorre, Madeira e Canarie). English-Italian edition. L'Informatore Piceno: Ancona, Italy. ISBN 88-86070-11-X. 319 pp. page(s): 19
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