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Herpetopoma aspersa (Philippi, 1846)

Description: Whorls rounded, suture impressed; sculptured with finely beaded, strong spiral ribs (about 5-8 on penultimate whorl and 11-17 on body whorl), joined by fine axial lamellae. Inner margin of outer lip thickened, toothed. Interior lirate, nacreous. Columella smooth except for a tooth slightly anterior of the centre. Umbilicus closed. Colour cream with irregular brown flecks.

Size: Up to 16 mm high, commonly about 11 mm.

Distribution: Endemic to Australia; Yamba, NSW, to Shark Bay, WA, including Tas.

Habitat: Intertidal and subtidal, under rocks, often in slightly muddy situations. Common.

Figs. 1,2: Sydney Harbour, by dredge Triton (C.326532)


Copyright Des Beechey 2000