Natica clausa (Broderip & G. B. Sowerby I, 1829)
Synonym:
Cryptonatica affinis (Gmelin, 1791)

A very common benthic snail of Arctic seas.

Size High of shell: up to 60 mm. Diameter of shell: up to 50 mm. Color Variable: grey or brownish. Habitat Epibenthic (seabed surface). Depth Eurybathic (0 - 2650 m), mostly on shelf. Feeding Carnivorous. Life cycle Direct development inside egg capsules. Distribution Circumpolar, Pacific boreal-arctic.