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ARCHITECTONICIDAE |
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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, 40–187 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. 1–3: Off Crowdy Head, NSW, in 82 m (C.092025 PARATYPE). |
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