? tenebrosa Hanley, 1860 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Tonnidae genus Tonna species Tonna tenebrosa Name Homonyms ? tenebrosa Hanley, 1860 ? tenebrosa Stresemann, 1925 ? tenebrosa Conrad, 1833