Kleptochthonius stygius Muchmore, 1965 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Arachnida order Pseudoscorpiones family Chthoniidae genus Kleptochthonius species Kleptochthonius stygius Name Homonyms Kleptochthonius stygius Muchmore, 1965