Skenea trochoides

Skenea trochoides is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.[1]

Skenea trochoides
Drawing with two views of a shell of Skenea trochoides
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Skeneidae
Genus: Skenea
Species:
S. trochoides
Binomial name
Skenea trochoides
(Friele, 1876)
Synonyms[1]
  • Cyclostrema laevigatum Friele, 1874
  • Cyclostrema peterseni Friele 1877
  • Cyclostrema trochoides Friele, 1874 (original combination)
  • Ganesa laevigata (Friele, 1876)
  • Moelleria laevigata Friele, 1876
  • Skenea laevigata Jeffreys, 1876
  • Tharsiella trochoides Friele, 1874

G.W. Tryon thought this species was a synonym of Cyclostrema peterseni Frielle, 1877 (now a synonym of Skenea peterseni (Friele, 1877)) [2]

Description

The size of the shell varies between 2 mm and 3 mm. The white shell is perforate, somewhat solid. It is opaque, smooth, and shining. The base of the shell contains sometimes a few faint oblique, curved lines;. The four whorls are convex and have a deep suture. The columellar lip is vertical, forming a slight angle with the outer lip at their junction.[2]

Distribution

This species occurs in Arctic waters and in the northern Atlantic Ocean off Greenland, the Faroes and Scandinavia at depts between 60 m and 160 m.

References
  1. Skenea trochoides (Friele, 1876). Retrieved through: World Register of Marine Species on 21 April 2010.
  2. G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Cyclostrema trochoides)
  • Friele H. , 1876: Bidrag til Vestlandets Molluskfauna; Forhandlinger i Videnskabs-selskabet i Christiania 1875: 57–64
  • 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
  • "Skenea trochoides". Gastropods.com. Retrieved 16 January 2019.
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