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