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)
Copyright Des Beechey 2000