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Emarginula

Emarginula is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.

Description

The oval shell is obliquely conical with a backward-pointing recurved apex. There is a deep incision in the anterior margin. A distinct anal fasciole extends upwards from this incision. The surface is latticed, sculptured with radial ribs. There is no septum inside.

Radula

The radula has a dental formula of [many].1.4.1.4.1.[many], with a wide, rectangular, acuspate rachidian tooth. The various genera have a few dozen rows of teeth.

Species

According to the World Register of Marine Species (WoRMS), species within the genus Emarginula include:

Synonyms

References

  • Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979
  • 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
  • Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.
  • Spencer, H.; Marshall. B. (2009). All Mollusca except Opisthobranchia. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp