Fissurella radiosa

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Fissurella radiosa is a species of sea snail in the family Fissurellidae, the keyhole limpets. It was described by Lesson in 1831.

Classification: Kingdom Animalia; Phylum Mollusca; Class Gastropoda; Subclass Vetigastropoda; Order Lepetellida; Family Fissurellidae; Genus Fissurella; Species F. radiosa. Binomial name: Fissurella radiosa (Lesson, 1831).

Synonyms include Fissurella darwinii, Fissurella dozei, Fissurella exquisita, Fissurella grisea, Fissurella nigra (invalid: junior homonym; replacement name Fissurella philippii), Fissurella philippiana, Fissurella philippii, Fissurella polygona, and Fissurella tixierae.

The shell size of an adult ranges from 18 mm to 55 mm.

Distribution: This species occurs in the Atlantic Ocean around the Falkland Islands and the Straits of Magellan, near Argentina and Tierra del Fuego.