Eokochaspis nodosa Sundberg & McCollum, 2000 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Ptychopariida family Ptychopariidae genus Eokochaspis species Eokochaspis nodosa Name Homonyms Eokochaspis nodosa Sundberg & McCollum, 2000