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RISSOIDAE |
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Onoba (Onoba) hebes (Laseron, 1950) Description: Shell moderately tall, spire slightly convex. Protoconch of 1 smooth whorl, with distinct junction to teleoconch. Teleoconch up to 4 evenly rounded whorls. Spire whorls with 5 rounded spiral cords separated by interspaces of about same width; last whorl with similar spirals on base, about 10 in total. Axial sculpture absent. Aperture ovate, weakly channelled posteriorly, inner lip raised forming narrow umbilical slit. Outer lip expanded somewhat, without varix. Shell translucent when fresh, becoming opaque fawn or white with age. Size: Up to 4.3 mm in length. Distribution: Endemic to Australia: Hallidays Point, NSW, southwards to Sussex Inlet, NSW. Habitat: Known from beach washup and down to 60 m. Uncommon. Synonymy: None. Fig. 1: Port Stephens, NSW (C.348166) |
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