Pseudagnostus quasibilobus (Shergold, 1975) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Agnostida family Agnostidae genus Neoagnostus species Neoagnostus quasibilobus Name Homonyms Pseudagnostus quasibilobus (Shergold, 1975)