Iwayaspis asaphoides (Kobayashi, 1962) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Asaphida family Ceratopygidae genus Pseudoyuepingia species Pseudoyuepingia asaphoides Name Homonyms Iwayaspis asaphoides (Kobayashi, 1962)