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CARDITIDAE CUNINAE |
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Cuna saza (Laseron, 1953) Description: Shell minute. Prodissoconch small, dome-shaped, rim thickened. Shape umbo on midline, anterodorsal and posterodorsal margins straight or weakly convex. Escutcheon wide, lunule narrower. Exterior sculpture of 20-23 radial ribs, crossed by growth lines. Interior smooth apart from muscle scars, margin with 20-23 denticles. Hinge strong. Ligament internal. Shell translucent to opaque white. Size: Up to 2.2 mm in length. Distribution: Seal Rocks, NSW, southwards to Mallacoota, eastern Vic. Habitat: Known from beach washup and down to 27 m depth. The AMS collection holds 32 lots, indicating this species is moderately common. Comparison: This species is characterised by the relatively numerous radial ribs. Synonymy: None Fig. 1: Collaroy Beach, NSW (C.385974). SEM images Peter Middelfart, Australian Museum. |
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