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Pisinna nitida Ponder & Yoo, 1976

Description: Shell large for genus, solid, spire tall and almost straight in outline. Protoconch of 1 whorls, sculptured with spiral rows of minute pits, with distinct junction to teleoconch. Teleoconch up to 5 straight-sided whorls, without sculpture; last whorl weakly or moderately angled at base. Aperture ovate, somewhat pointed anteriorly; outer lip with low varix behind outer lip. Colour cream, fawn or tan with white spiral band below suture, and sometimes another white band on peripheral angle.

Size: Up to 6.5 mm in length.

Distribution: Endemic to Australia: Caloundra, Queensland, southwards to eastern Victoria and Tasmania.

Habitat: "Probably restricted to soft (sandy) substrate in the sublittoral and on the continental shelf " (Ponder & Yoo, 1976). Uncommonly taken down to 150 m; rarely found in beach washup.

Comparison: See the Comparison of Pisinna species

Synonymy: Until Ponder & Yoo recognised this as a separate species in 1976, it was misidentified as Pisinna bicolor, a similar species which is restricted to Victoria and Tasmania.

Fig. 1: Off Jibbon Point, Port Hacking, NSW (C.352872)

 

Copyright Des Beechey 2010. Modified 2014