? rotundatus Ergaliev, 1980 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Trilobita order Agnostida family Ptychagnostidae Name Homonyms ? rotundatus Toula, 1875 ? rotundatus Statz, 1938 ? rotundatus von Mojsisovics, 1875 ? rotundatus Rudolphi, 1819 ? rotundatus Zittel, 1864 ? rotundatus Fiege, 1930 ? rotundatus Ergaliev, 1980 ? rotundatus Foerste, 1919 ? rotundatus Billings, 1865