Tyrannochthonius stygius Muchmore, 1996 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Arachnida order Pseudoscorpiones family Chthoniidae genus Tyrannochthonius species Tyrannochthonius stygius Name Homonyms Tyrannochthonius stygius Muchmore, 1996