? gemma Koken, 1888 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata order Perciformes family Sciaenidae Name Homonyms ? gemma Tuomey & Holmes, 1856 ? gemma Dana, 1847 ? gemma Lindström, 1884 ? gemma Koken, 1888 ? gemma Sowerby, 1879 ? gemma Pugsley