Cassidea cernica (G.B.Sowerby Iii, 1888) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Cassidae genus Casmaria species Casmaria cernica Name Homonyms Cassidea cernica (G.B.Sowerby Iii, 1888)