Eulithidium cyclostoma

Eulithidium cyclostoma
Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Clade:Vetigastropoda
Superfamily:Phasianelloidea
Family:Phasianellidae
Genus:Eulithidium
Species: E. cyclostoma
Binomial name
Eulithidium cyclostoma
(Carpenter, 1864)
Synonyms
  • Eucosmia cyclostoma Carpenter, 1864
  • Phasianella (Eucosmia) cyclostoma Carpenter, Pilsbry 1888
  • Tricolia cyclostoma (Carpenter, 1864)

Eulithidium cyclostoma is a species of small sea snail with calcareous opercula, a marine gastropod mollusk in the family Phasianellidae, the pheasant snails.[1][2]

Description

The height of the dark brownish shell reaches 2 mm. The broad, very obtuse shell consists of three whorls. These are rounded, and slightly shouldered. The shell is densely pointed or stained. The large umbilicus is subspiral. The aperture is large. The sutures are very impressed.[3]

Distribution

The type locality is listed as "Cape St. Lucas, (Xantus)" (Cabo San Lucas, Baja California Sur, Mexico).

References

  1. ↑ Rosenberg, G. (2014). Eulithidium cyclostoma. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=767152 on 2014-11-07
  2. ↑ Keen M. (1971) Sea shells of tropical West America. Marine mollusks from Baja California to Perú, ed. 2. Stanford University Press. 1064 pp.
  3. ↑ Capenter P. (1872) The Mollusks of Western North America, Smithsonian Institution, Washington
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