Here is a complete example of this seldom trilobite from Utah. The Pierson Cove Fm. seems to be a shallow water equivalent to the mainly Wheeler to Majum Fm. | |||
Location: | Drum mountains, Millard Co., Utah, USA | ||
Size trilobite: | about 8 mm long | ||
Age: | Middle Cambriun, Pierson Cove Fm. (about 518 Mill. Y.) |