Mactra cygnea (Chemnitz, 1782) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Carditida family Crassatellidae genus Crassatella species Mactra cygnea Name Synonyms Crassatella cygnea (Chemnitz, 1782) Crassatella turgida Lamarck, 1805 Homonyms Mactra cygnea (Chemnitz, 1782) Mactra cygnea Spengler, 1802 Mactra cygnea Lamarck, 1799 Mactra cygnea R.A.Philippi, 1844