? dorsalis Hall, 1863 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Trilobita order Ptychopariida family Lonchocephalidae Name Homonyms ? dorsalis Brulle, 1846 ? dorsalis Thunberg, 1805 ? dorsalis Hall, 1863 ? dorsalis Peters & Doria, 1876 ? dorsalis Priem, 1914 ? dorsalis Davis, 1887 ? dorsalis Dixon, 1850 ? dorsalis Hensel, 1873 ? dorsalis Burmeister, 1838