Cyclostrema ocrinium

Cyclostrema ocrinium
Original drawing of a shell of Cyclostrema ocrinium
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Liotiidae
Genus: Cyclostrema
Species:
C. ocrinium
Binomial name
Cyclostrema ocrinium
Melvill & Standen, 1901
Synonyms

Cyclostrema ocrinum Melvill & Standen, 1901 (misspelling)

Cyclostrema ocrinium is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.[1][2]

Description

The height of the shell attains 2 mm, its diameter 3 mm. The delicate, white, umbilicated shell contains four whorls. it is destitute of spiral ribs. The longitudinal riblets are very close and fine, about 26 in number on the five-angled body whorl, that surround the umbilicus at the base being the strongest and most conspicuous. Regular rows of shining gemmae on the costulae at the point of the angular projections take the place of spiral lirae. The interstices are plain, vitreous white. The aperture is circular. The peristome is continuous. The outer lip is crenulate. The columellar margin is not reflexed over the umbilicus, which is deep and conspicuous.[3]

Distribution

This marine species occurs in the Persian Gulf and off Singapore.

References

  1. ^ Bouchet, P. (2012). Cyclostrema ocrinium Melvill & Standen, 1901. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=701872 on 2012-12-03
  2. ^ Bosch D.T., Dance S.P., Moolenbeek R.G. & Oliver P.G. (1995) Seashells of eastern Arabia. Dubai: Motivate Publishing. 296 pp.
  3. ^ Melvill & Standen (1901) Mollusks from the Persian Gulf and Arabian Sea; Proceedings of the Zoological Society of London. v. 2, 1901
  • Trew, A., 1984. The Melvill-Tomlin Collection. Part 30. Trochacea. Handlists of the Molluscan Collections in the Department of Zoology, National Museum of Wales


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