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Terebra assecla (Iredale, 1924)

Description: Shell with concave whorls, sculptured with a row of strong nodules at top of each whorl, with a broad, shallow groove below, and a row of stronger nodules adjoining lower suture; about 14 nodules on penultimate whorl. Nodules extend into curved ribs on body whorl, fading out at base. Fasciolar band well defined; siphonal notch shallow. Outer lip thin and simple. Colour white to light fawn with faint brown spots between upper nodules; base of body whorl brown.

Size: Up to 28 mm in length.

Distribution: Endemic to Australia; Sydney, NSW, to south-eastern SA, including Tasmania.

Habitat: Known from 20-150 m. Uncommon.

Comparison: The broad groove around the centre of each whorl separates this species from other NSW terebrids.

Fig. 1: HOLOTYPE Off Twofold Bay, NSW, in 18-46 m (C.102823)


Copyright Des Beechey 2004