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Scientific Classification Domain: Eukaryota Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Order: Cardiida Family: Donacidae Genus: Donax Species: D. cuneatus This species is reported from the Seychelles, Sri Lanka, India, Malaysia, Vietnam, Indonesia, China, the Philippines, Australia, New Caledonia, Fiji, and Vanuatu. Inhabits the intertidal zone. The shells are shiny grayish white, with brownish or purple bands radiating from the umbos. As is typical in the wedge clams, Donax cuneatus is triangular and compressed, with the anterior end more rounded than the posterior end. The shell is medium-sized, 12mm at reproductive maturity up to a maximum size of 23mm. The exterior of the shell is shiny and sculptured with fine concentric ridges and threadlike radial ridges, except on the posterior end which is more rugose. Lunules are found on both valves. In the interior of the shell, the exceptionally large pallial sinus is indicative of the long siphons of bivalves that dig themselves deep into sand or mud substrates. In some areas Donax cuneatus is harvested by indigenous people as a minor subsistence food. Courtesy: https://en.wikipedia.org