A common name for a bivalve mollusc whose shell outline is elongated and more asymmetrical compared with other edible clams, which are often more rounded or oval

The ocean or sea; for example, marine animals are animals that live in sea water

An exposure from the early Pliocene Epoch within the Etchegoin Formation of the Kettleman Hills geographic area of California. The zone is named for a species of clam that is common within the formation.