Lirophora latilirata, the imperial venus clam, is a bivalve mollusc in the family Veneridae.
This species grows to about 4.5 cm (1.5 inches) in length.
The shell is rounded, triangular and well-inflated, with large, heavy concentric ridges which are often sharply shelved at the top.
The shell coloration varies, but it often has a tan exterior with lavender blotches and radial stripes.
This species has been frequently found among catches of the Atlantic calico scallop.