? ovale Yang, 1982 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Trilobita order Agnostida family Ptychagnostidae genus Yakutiana species Yakutiana ovale Name Homonyms ? ovale Gemmellaro, 1899 ? ovale Neumann, 1907 ? ovale Yang, 1982 ? ovale Motschulsky, 1844 ? ovale Benavides-Caceres, 1956 ? ovale Koch & Berendt, 1854 ? ovale Schneider, 1799 ? ovale Reid & Chandler, 1933 ? ovale Renault, 1899 ? ovale Agassiz, 1842