? atratus Girard, 1853 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Diplopoda order Spirobolida family Spirobolidae genus Narceus species Narceus americanus Name Homonyms ? atratus Berthoumieu, 1901 ? atratus Grinnell & Swarth, 1926 ? atratus Fabricius, 1801 ? atratus Pictet & Hagen, 1856 ? atratus Girard, 1853