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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)
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