Calliostoma variegatum

Calliostoma variegatum
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea
Family: Calliostomatidae
Genus: Calliostoma
Species: C. variegatum
Binomial name
Calliostoma variegatum
Carpenter, 1864[1]

Calliostoma variegatum, common name the variable top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.[2]

Description

The height of the shell attains 25 mm. The small, conical shell is variegated. The nucleus is rosaceous. The six whorls are planate. The sutures are hardly impressed. The spire contains 3 regular, nodulous riblets, the nodules whitish, and subdistant. The interstices are very elegantly rosy. The base of the shell contains 8 lirulae. These are scarcely nodulous, and spotted with rosy.[3]

Distribution

This species occurs in the Pacific Ocean from Alaska to California, USA.

References

  1. Carpenter, Proc. Acad. Nat. Sci. Phil., 1865, p. 61.
  2. Rosenberg, G. (2012). Calliostoma variegatum Carpenter, 1864. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=580418 on 2012-12-07
  3. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
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