Clinocardium nuttallii, common name Nuttall's cockle, basket cockle, or Heart cockle, is a species of large edible saltwater clam, a marine bivalve mollusc in the family Cardiidae, the cockles. Native to the coastlines of California and the Pacific Northwest, this species can be found from the Bering Sea to Southern California and has been used by the indigenous peoples of California and the Pacific Northwest as food.