Micrathena nigrior Chamberlin & Ivie, 1936 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Arachnida order Araneae family Araneidae genus Micrathena species Micrathena gracilis Name Homonyms Micrathena nigrior Chamberlin & Ivie, 1936