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Heliacus hyperionis Bieler, 1993

Description: Shell low, spire weakly convex in outline, periphery angled. Teleoconch whorls nearly straight sided, with 5 densely beaded spiral cords, the lowermost strongest, nodules arranged in oblique lines across whorl. Periphery wide with 3 beaded spiral cords. Umbilicus open, margin coarsely toothed; base with 6 strongly beaded spiral cords. Colour fawn with sparse brown patches on periphery.

Size: Up to 7.4 mm in diameter.

Distribution: Australia and New Zealand. In Australia known from Swain Reefs, Qld, southwards to Twofold Bay, NSW.

Habitat: Subtidal, 40187 m. Rare.

Remarks: The figured specimen is faded, making the brown patches on the periphery faint.  This species was misidentified by Garrard (1978) as Heliacus (Torinista) delectabilis (Melvill, 1893).

Figs. 13: Off Crowdy Head, NSW, in 82 m (C.092025 PARATYPE).

 

Copyright Des Beechey 2016