< Previous species


Next species >

5061-1.jpg (88603 bytes)


5062-1.jpg (73120 bytes)

Eatoniopsis castanea (Laseron, 1950)

Description: Shell minute, moderately tall spired, spire outline straight. Protoconch of 1 whorls, teleoconch up to about 2 weakly convex whorls. Surface glossy, smooth apart from weak growth lines and spiral scratches. Aperture elongate-ovate, outer lip prosocline. Inner lip thin over parietal wall, thicker below. Columella with weak, broad bulge deep within aperture (Fig. 2). Umbilicus closed, umbilical chink present. Colour brown.

Size: Up to 1.3 mm in length.

Distribution: Endemic to Australia. North Stradbroke Island, Queensland, southwards to eastern Victoria and Tasmania.

Habitat: On algae, stones and debris in the mid- to lower littoral and sublittoral (Ponder & Yoo, 1980). Common, often abundant.

Comparison: This is similar to E. voorwindei in having a bulge on the columella, but differs in having a umbilicus closed.

Figs. 1, 2: Green Cape, NSW (C.354174)


Copyright Des Beechey 2012