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MACTRIDAE |
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Zenatina victoriae (Pritchard & Gatliff, 1903) Description: Lightweight, fragile. Shape slender, very elongate, almost lanceolate; length more than twice the height, weakly inflated; umbo at anterior third; gaping at both ends. Exterior smooth apart from irregular growth ridges. Interior white, smooth, muscle scars well developed, pallial sinus large, extending to midline. Hinge as for family. Ligament internal, attached to a large freestanding resilifer. Shell white. Periostracum thin, brown. Size: Up to 75 mm in length. Distribution: Endemic to Australia: Noosa River, Qld, southwards to Wilsons Promontory, Vic. Habitat: Known from beach washup and down to 27 m. Fairly common. Comparison: This species is thin and fragile. It is mainly known from beach shells and is restricted to eastern Australia. Lutraria rhynchaena is larger, more solid, and has a wider distribution across all of southern Australia. Fig. 1: Boydtown Beach, Twofold Bay, NSW (C.36840 |
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