Proasaphiscus centronatus (Resser & Endo, 1937) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Ptychopariida family Proasaphiscidae genus Szeaspis species Szeaspis centronatus Name Homonyms Proasaphiscus centronatus (Resser & Endo, 1937)