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ANABATHRIDAE |
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Pisinna tasmanica (Tenison-Woods, 1876) Description: Shell small, solid, spire almost straight sided to moderately rounded in outline. Protoconch of 1½ - 1¾ whorls, sculptured with spiral rows of minute pits, with distinct junction with teleoconch. Teleoconch up to 4 weakly convex whorls, grooved at sutures on last whorl; whorls smooth (Fig. 1), or with last 1½ whorls with weak to strong oblique axial ribs (Fig. 2). Aperture almost circular, thickened internally, smooth externally or with very weak, broad varix. Colour reddish-brown with white band below suture, last whorl fawn; whole shell usually faded to white. Size: Up to 2.6 mm in length. Distribution: Endemic to Australia: Cape Moreton, Queensland, southwards and around southern Australia as far as Cape Borda, SA, including Tasmania. Habitat: On the continental shelf, 20-300 m. Common. Comparison: See the comparison under P. olivacea. Synonymy: None. Fig. 1: 5001-1 Port Stephens, NSW (C.353197) Fig. 2: 4999-1 Same lot as Fig. 1 |
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