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Epitonium coretum (Iredale, 1936)

Description: Shell slender for genus, whorls disconnected, joined only by axial ribs. Whorls rounded, with about 9 axial ribs per whorl. Ribs aligned from whorl to whorl, peaked, high and thin, sometimes rolled back on top. Interspaces smooth, or with faint spiral threads. Aperture oval; outer lip with normal rib externally. Umbilicus closed. Colour white. Operculum corneous.

Size: Up to 12 mm in length.

Distribution: Australia and Japan. In Australia, Crowdy Head, NSW, southwards and around southern Australia to Cheyne Bay, southern WA. In Japan, off Choshi, Boso Peninsule, 80 m (Nakayama (2003).

Habitat: A few beach specimens but mainly subtidal, down to 180 m. Uncommon.

Comparison: See "Identification of the NSW species of Epitonium" in the introduction to this family.

Fig. 1: HOLOTYPE Off Green Cape, NSW, 70 fathoms (128 m) (C.060647)

Fig. 2: HOLOTYPE Detail of sculpture


Copyright Des Beechey 2008