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Nassarius pauperus (Gould, 1850)

Description: Shell with convex whorls, sculptured with moderately thick axial ribs, about 16 on the body whorl, crossed by narrow, evenly spaced spiral ribs, 5-6 on the penultimate whorl and 10-12 on the body whorl, with further microscopic threads between. Columella calloused, smooth or finely lirate or denticulate; outer lip with varix, with 7-12 teeth internally. Colour uniformly white, yellow or brown, sometimes with a wide spiral brown band.

Size: Up to 16 mm in length.

Distribution: Occurs throughout the tropical Indo-West Pacific, and in all Australian states.

Habitat: In sand, intertidally and subtidally, down to 146 m. Common.

Synonym: The species is quite variable in shape, and a number of synonyms exist; Nassa tringa Souverbie in Souverbie & Montrouzier was assigned to a squat, broad form. Another synonym is Arcularia pilata Hedley, 1915

Figs. 1,2: Long Reef, Collaroy, NSW (DLB4962)


Copyright Des Beechey 2000