Actinostreon gregareum (J.Sowerby, 1815) J.Sowerby, 1815 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Ostreida family Ostreidae genus Ostrea species Ostrea gregarea Name Homonyms Actinostreon gregareum (J.Sowerby, 1815) J.Sowerby, 1815