Calliostoma variegatum, common name the variable top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.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
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.Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
Distribution This species occurs in the Pacific Ocean from Alaska to California, USA.
References
External links Biodiversity Heritage Library (18 publications) ITIS World Register of Marine Species