Comprehensive Description
provided by Invertebrates of the Salish Sea
A top shell with a pearly interior, no nodes on columella, umbilicus closed, has tan or brown, beaded spiral ridges on a white background. The base of the body whorl is nearly flat, and the sutures between whorls are not deeply indented. The animal is cream colored with brown spots. Periostracum is usually gray, brown, or olive-green.
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Look Alikes
provided by Invertebrates of the Salish Sea
How to Distinguish from Similar Species: C. ligatum has unbeaded spiral ridges and clearly convex whorls. C. annulatum also has beaded spirals but the lower spiral on each whorl is blue or purplish.
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- Rosario Beach Marine Laboratory
Habitat
provided by Invertebrates of the Salish Sea
Depth Range: Subtidal
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Calliostoma variegatum: Brief Summary
provided by wikipedia EN
Calliostoma variegatum, common name the variable top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
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Distribution
provided by World Register of Marine Species
Gulf of Alaska East of Afognak Island, south to Isla Cedros, Baja California.
Tuskes P.M. & McGowan-Tuskes A. (2019). Calliostoma and Akoya of the Californian Marine Province (Gastropoda: Calliostomatidae). The Festivus. 51(1): 11-28.
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