Oulimnius troglodytus (Gyllenhal, 1827) 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 troglodytus (Gyllenhal, 1827)