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Icunculus zodiacus (Hedley, 1907) Description: Protoconch of 1½ strongly shouldered whorls, with keel at shoulder. Teleoconch up to 4½ whorls. Spire whorls with 2 strong keels, last whorl with 2 additional keels on base. Axial sculpture absent. Umbilicus closed. Inner lip of aperture sometimes standing free of columella; outer lip thin, crenulated by external keels. Colour translucent white or fawn, opaque in old shells. Size: Up to 2 mm in length. Distribution: Endemic to Australia: Mackay, Queensland, around southern Australia, to south-western WA. Habitat: Known from empty shells from beach washup, and down to 117 m. Moderately common. Comparison: Half the size of I. torcularis with two keels rather than one on the spire whorls. Synonymy: Lippistes consobrina May, 1919 appears to be the same species. Fig. 1: Shoal Point, Mackay, Queensland (C.360519) |
