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CRASSATELLIADE |
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Talabrica aurora (A. Adams & Angas, 1864) Description: Moderately inflated, longer than high. Shape elliptical, umbo situated on midline; anterior and posterior dorsal margins straight, ventral margin smoothly rounded; lunule and escutcheon narrow, poorly defined, sometimes pink. Exterior with regular, strong, commarginal ridges. Interior partly pink, muscle scars well defined, pallial line continuous. Margin very finely denticulate in large shells. Hinge strong, crassatellid in form. Ligament internal, below umbo. Shell exterior colour white, in southern shells with 2 interrupted brown rays. Periostracum thick, continuous, fawn. Size: Up to 26 mm in length. Distribution: Endemic to Australia: Tweed Heads, NSW, southwards to Tas. Habitat: Subtidal, 37-263 m depth. Remarks: Victorian and Tasmanian specimens show 2 interrupted brown radial colour bands, but these are faint or, usually, absent on NSW specimens. Synonymy: Crassatella simplex Kobelt, 1886 ·is a synonym Fig. 1: Off Bournda Island, north of Bermanui, NSW, in 37 m. |
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