Reaching only about 48 mm (1.89 inches), Pitar fulminatus has an inflated shell, with a sculpture of crowded growth lines. Its color is white or chalky-white with yellowish-brown zigzag or lightning-like markings. The Lightning Pitar is a member of the highly diverse family Veneridae, the venus clams. The species is found from North Carolina to both coasts of Florida, and Bermuda.
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