Ostrea cyathula (Lamarck, 1806) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Ostreida family Ostreidae genus Crassostrea species Ostrea cyathula Name Synonyms Crassostrea cyathula (Lamarck, 1806) Ostrea planicosta Deshayes, 1832 Homonyms Ostrea cyathula (Lamarck, 1806)