Plaesiacomia brevicaudata (Deslongchamps, 1825) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Phacopida family Homalonotidae genus Kerfornella species Kerfornella brevicaudata Name Homonyms Plaesiacomia brevicaudata (Deslongchamps, 1825)