? frontalis Dalman, 1827 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Trilobita order Asaphida family Asaphidae Name Homonyms ? frontalis Cresson, 1868 ? frontalis Lafresnaye, 1847 ? frontalis Milne Edwards, 1837 ? frontalis Swainson, 1837 ? frontalis Dalman, 1827 ? frontalis Reichenbach, 1852 ? frontalis Bourns & Worcester, 1894 ? frontalis Fieber, 1844 ? frontalis LeConte, 1876