? marmoratus Gray, 1831 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Dytiscidae genus Thermonectus species Thermonectus marmoratus Name Homonyms ? marmoratus Ameghino, 1887 ? marmoratus Gray, 1831 ? marmoratus Weigmann, 1834