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Epitonium pindasum (Iredale, 1936)

Description: Shell slender for genus, whorls barely disconnected, joined only by axial ribs. Whorls rounded, with 15 axial ribs. Ribs tall, rolled back, peaked immediately below suture, mostly aligned from whorl to whorl, terminating in coarse cord beside inner lip of aperture. Interspaces with about 12 spiral threads with finer intermediate threads. Aperture oval, outer lip with normal rib externally. Umbilicus closed. Colour dirty white. Operculum unknown.

Size: Holotype 14 mm in length.

Distribution: Australia and Japan. In Australia, known only from holotype; Sydney Harbour by dredge Triton. In Japan, off Kushimoto, Kii Peninsula, 300 m (Nakayama, 2003).

Habitat: Holotype is an empty shell.

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

Fig. 1: HOLOTYPE Sydney Harbour, dredge Triton (C.060655)

Fig. 2: HOLOTYPE Detail of sculpture.


Copyright Des Beechey 2008