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DescriptionAnimal of large size, reaching almost 60 mm in length in examined specimens. Anterior valve straight; post-mucronal slope of posterior valve slightly concave. Shell color yellowish white with concentric brown bands crossing lateral triangle longitudinally, then proceeding antero–medially over ribs of central area. Girdle light olive green or pinkish-brown. Interior of shell white with some dull green in posterior depression (After Bullock 1988).