Laevicardium crassum
Laevicardium crassum, the Norwegian egg cockle, is a species of saltwater clam, a cockle, a marine bivalve mollusc in the family Cardiidae, the cockles.
Fossil record
Fossils of Laevicardium crassum are found in marine strata of the Quaternary. Fossils are known from various localities in Ireland, Italy, Netherlands and Portugal.Description
Shell of Laevicardium crassum can reach a length of about. The shell exterior is white or light yellow with occasional dark markings. The shell surface is smooth and shows 40-50 ribs with a crenulated margin.Laevicardium crassum