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

Cyclostrema gyalum
Original drawing with two views of a shell of Cyclostrema gyalum
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. gyalum
Binomial name
Cyclostrema gyalum
Melvill, 1904

Description

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The height of the shell attains 2 mm, its diameter 5 mm. The shell contains 5 whorls and a minute nucleus. The whorls increase rapidly in size. The body whorl contains three acute keels. The basal keel encircles the umbilicus, which is particularly large and deep compared to the size of the shell. The aperture has a square shape. The thin outer lip is angulate.[3]

Distribution

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This species occurs in the Persian Gulf and the Gulf of Oman.

References

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  1. ^ Bouchet, P. (2012). Cyclostrema gyalum Melvill, 1904. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=701862 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 (1904) Descriptions of 28 species of Gastropoda from the Persian Gulf, the Gulf of Oman and the Arabian Sea; Proceedings of the Malacological Society of London v.6 (1904-1905)
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