Isotomurus retardatus J.W.Folsom, 1937 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Collembola order Entomobryomorpha family Isotomidae genus Isotomurus species Isotomurus retardatus Name Synonyms Isotomurus ratardatus Keilbach, 1982 Isotomurus retardatus Mills & Rolfs, 1933 Homonyms Isotomurus retardatus J.W.Folsom, 1937 Isotomurus retardatus Mills & Rolfs, 1933 Isotomurus retardatus K.Christiansen & P.Bellinger, 1998