Oulimnius thermarius (Sainte-Claire Deville, 1919) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Elmidae genus Oulimnius species Oulimnius troglodytes Name Homonyms Oulimnius thermarius (Sainte-Claire Deville, 1919)