Anadara diluvii is an extinct species of saltwater bivalves, ark clams, in the family Arcidae.
Shells of Anadara diluvii can reach a size of 10–45 millimetres (0.39–1.77 in). The two valves are symmetrical to each other, but the sides are asymmetrical. The shell have about 30-35 ribs. The inner edge is strongly serrated.
Fossils have been found in the Quaternary of Spain. In the Pliocene of Algeria, Cyprus, Greece, Italy, Spain, in the Miocene of Belgium, Bulgaria, Cyprus, Germany, Greece, Italy, Poland, Romania, Slovakia, Spain and in the Oligocene of Austria and Hungary.
