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CARDITIDAE CUNINAE |
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Condylocuna projecta (Hedley, 1902) Description: Shell minute. Prodissoconch relatively large, dome-shaped, surrounded by a commarginal rib and thickened rim. Shape extended anteriorly, umbo well behind midline, anterior and posterior dorsal margins straight or concave, ventral margin smoothly rounded. Lunule and escutcheon short and broad. Exterior with up to 21, strong, flat commarginal ribs below prodissoconch. Interior smooth apart from muscle scars, margin with 18 crenulations. Hinge strong. Ligament internal. Shell translucent to opaque white. Size: Up to 1.3 mm in length. Distribution: Heron Island, Qld, southwards and around southern Australia, to North West Cape, WA, including Tas. Also Coral Sea. Habitat: Known from beach washup and down to 183 m depth. There are 54 lots in the AMS collection, indicating this is a common species. Fig. 1: Sydney Harbour, NSW (C.366908). SEM images by Peter Middelfart, Australian Museum. |
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