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Eatonina rubrilabiata Ponder & Yoo, 1980

Description: Shell minute, moderately short spired, spire outline weakly convex. Protoconch of 1 whorls, teleoconch of 2-2 convex whorls. Surface glossy, smooth apart from weak growth lines. Aperture nearly circular, outer lip slightly prosocline. Umbilicus closed or slightly open, umbilical chink distinct. Colour when alive dark orange-brown, umbilical area and a narrow line just below suture darker than rest of shell; inner lip very dark reddish-purple to dark orange-brown, all fading to yellowish-brown with age.

Size: Up to 1.3 mm in length.

Distribution: Endemic to Australia: Port Stephens, NSW, southwards to Nadgee, near the NSW-Victoria border.

Habitat: Lives in the lower littoral and sublittoral on algae and under rocks (Ponder & Yoo, 1980). Common.

Remarks: The figured shell is faded, as are all the Australian Museum specimens, and does not clearly show the reddish purple colouration of the lip that is seen in fresh specimens.

Figs. 1, 2: Manly Beach, Sydney, NSW (C.353495)


Copyright Des Beechey 2012