Omalium ater Gerhardt, 1901 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Staphylinidae genus Xylodromus species Xylodromus concinnus Name Homonyms Omalium ater Gerhardt, 1901 Omalium ater Casey, 1893