? productus Hall & Whitfield, 1877 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Trilobita order Corynexochida family Dolichometopidae Name Homonyms ? productus Müller O.F., 1785 ? productus Smith, 1862 ? productus Bergenhayn, 1960 ? productus Hall & Whitfield, 1877 ? productus Cope, 1874 ? productus Prévot, 1941 ? productus Walker, 1851 ? productus Agassiz, 1836 ? productus Gould, 1836 ? productus Agassiz, 1838