Omalium affinis Gerhardt, 1877 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Staphylinidae genus Xylodromus species Xylodromus affinis Name Homonyms Omalium affinis Maklin, 1878 Omalium affinis Gerhardt, 1877