Drilliola megalacme

Drilliola megalacme is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.[2]

Drilliola megalacme
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Conoidea
Family:
Borsoniidae [1]
Genus:
Drilliola
Species:
D. megalacme
Binomial name
Drilliola megalacme
(Sykes, 1906)[2]
Synonyms[2]
  • Micropleurotoma megalacme (Sykes, 1906)
  • Spirotropis megalacme Sykes, 1906 (basionym)

Description

The species has a small, conical shell with its spire well raised and is fairly solid. Its colour is whitish-brown, with a white protoconch. It has six turreted whorls that are regularly increasing. Below the carina appear numerous longitudinal riblets, decussated by spiral carinations, giving the shell a somewhat prickly or nodulous appearance. The mouth is small, with a well-marked sinuation above.[3]

Distribution

This species occurs in European waters along Portugal.[2]

References
  1. Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) A new operational classification of the Conoidea. Journal of Molluscan Studies 77: 273–308.
  2. Drilliola megalacme (Sykes, 1906). Retrieved through: World Register of Marine Species on 13 August 2011.
  3. Sykes E. R. (1906). "On the Mollusca procured during the "Porcupine" Expeditions 1869-1870. Supplemental notes, part 3". Proceedings of the Malacological Society of London v7. page(s): 183, pl. 16 fig. 5
  • 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


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