Meretrix lyrata, the lyrate Asiatic hard clam, also known simply as the hard clam (Vietnamese: Nghêu Bến Tre), is an edible saltwater clam, a marine bivalve mollusc in the family Veneridae, the Venus clams.
This species occurs along the coasts of Vietnam, Taiwan, the Philippines, Sarawak (Malaysian Borneo) and South China.[1]
Right and left valve of the same specimen:
In Vietnam, these hard clams are eaten boiled, steamed or roasted. They are an important export in the eastern and southern parts of Vietnam.[2]