Ancyginaspis priscus (Tjernvik, 1956) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Phacopida family Cheiruridae genus Ancyginaspis species Cyrtometopus priscus Name Homonyms Ancyginaspis priscus (Tjernvik, 1956)