TWO Different Trilobite Species on this Cambrian Era Fossil Plate Utah

Hello, here is a neat Trilobite fossil plate that contains two nice little trilobites. Very interesting piece

One is a Elrathia Kingi, Alokistocaridea Family and the other is a Peronopsis, they are from Millard County, Utah, House Range, Drum Mountains in the Wheeler Shale Formation.

They were living animals during the mid-Cambrian Period ca. 505 million years ago!

The largest trilobite measures about 1.6cm or 5/8" at its biggest and the overall matrix piece measures about 3 3/8" or 8.9cm!

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