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Fusinus undulatus (Perry, 1811)

Description: Shell light to medium in weight, whorls rounded or weakly angled. Whorls with 11-15 axial folds, sometimes obsolete on body whorl. Spiral sculpture of widely spaced ribs, sometimes with secondary threads between, overriding axial folds. Outer lip simple, external sculpture showing through; columella smooth, thinly glazed. Anterior canal long, slightly recurved. Colour uniformly fawn, occasionally with the axial folds darker brown; interior white, covered with a brown periostracum when alive.

Size: Up to 102 mm in length.

Distribution: Endemic to Australia; Broken Bay, NSW, to Esperance, WA.

Habitat: In Victoria and Tasmania the species occurs in the low intertidal zone, but in NSW it is known from 37-220 m. Divers have taken living specimens near underwater reefs in 20-40 m.

Synonyms: This species is very variable in form and sculpture. Fusinus pyrulatus (Reeve, 1847) was applied to a large, inflated form, and Propefusus compositis Mayblom, 1951 was used for a form described as small, thin and elongate with a very long canal.

Figs. 1,2: Eden, NSW, in 37 m (C.086572)


Copyright Des Beechey 2000