Here is a multibile "Utah Trilobites Plate" with servile specimens of Elrathia kingi together with a agnostid - trilobite of the species Ptychagnostus atavus. | |||
Location: | Millard Co., Utah, USA | ||
Size trilobite plate : | about 93 x 57 mm | ||
Age: | Middle Cambriun, Wheeler Fm. (about 518 Mill. Y.) |