This is a relative large trilobite of the species Elrathia kingi with about 31 mm together with a smaller specimen with only about 13 mm. | |||
Location: | Millard Co., Utah, USA | ||
| Size trilobite: | about 31 mm & 13 mm | ||
| Age: | Middle Cambriun, Wheeler Fm. (about 518 Mill. Y.) | ||