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Proterato sulcifera (Sowerby, 1832) Description: Shell solid, glossy. Surface smooth or covered with nodules that may coalesce into wrinkles. Outer lip folded in, with inner edge nearly straight and sculptured along entire length with 15-21 denticles. Columella denticulate on lower third. Deep groove sometimes present along centre of dorsum. Colour fawn or pale green, occasionally with 1-3 greenish-brown bands, with anterior pinkish-brown. Size: Up to 5 mm in length. Distribution: Indo-West Pacific; in Australia, to Clarence R., NSW. Habitat: Under rocks and coral in the intertidal zone. In NSW known mainly from dead beach specimens. Rare in NSW. Synonym: The strength of the surface nodules and of the dorsal groove are very variable (Cernohorsky, 1968, p. 371), giving rise to a number of synonyms, including Ovulum corrugatum Hinds, 1844. Figs. 1,2: Woody Head, Iluka, NSW (C.360647)
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