? austriacus Sturm, 1834 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Dytiscidae genus Graphoderus species Graphoderus austriacus Name Homonyms ? austriacus Hauer, 1856 ? austriacus Sturm, 1834 ? austriacus Koken, 1891