Claim: Lirophora latilirata is a bivalve with a rounded, ridged shell consisting of two hinged parts and grows to about 1.5 inches in length.
Evidence: Lirophora latilirata, the imperial venus clam, is a bivalve mollusc in the family Veneridae. The shell is rounded, triangular and well-inflated, with large, heavy concentric ridges which are often sharply shelved at the top. Cardinal and lateral teeth are present in the hinge. This species grows to about 4.5 cm (1.5 inches) in length.