Corbicula is a genus of freshwater and brackish water clams, aquatic bivalve mollusks in the family Cyrenidae, the basket clams. The genus name is the New Latin diminutive of Latin corbis, a basket, referring to the shape and ribs of the shell.The genus Corbicula includes sixteen species described to date. The best known species is Corbicula fluminea, an invasive species in many areas of the world.