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Eatoniella galbinia (Laseron, 1950)

Description: Shell minute, short-spired. Spire outline convex. Protoconch of about 1 whorls. Teleoconch 2 moderately convex whorls. No spiral or axial sculpture. Aperture oval, flared anteriorly; outer lip simple, sharp, straight or weakly sinuous when viewed in profile; inner lip broad. Umbilicus closed or present as narrow slit. Shell colourless or pale yellow, translucent or transparent when fresh, becoming opaque with age.

Size: Up to 1.45 mm in length.

Distribution: Endemic to Australia; central NSW, southwards to eastern and central Victoria and Tasmania.

Habitat: Very abundant in NSW, common over the rest of the range. Lives on algae in the lower littoral and sublittoral (Ponder & Yoo, 1977).

Comparison: This is similar to E. atropurpurea , but is colourless translucent when fresh, becoming white or pale yellow with age. See the comparison of the genus under Eatoniella atropurpurea.

Figs. 1, 2: North Harbour, Sydney (C. 354404)


Copyright Des Beechey 2012