Ptychagnostus richmondensis Cambrian Agnostid Trilobites

Ptychagnostus richmondensis

Trilobita Order Agnostida, Family Ptychagnostidae

Geologic Time: Middle Cambrian

Size: Trilobites 3.5 mm - 7mm

Fossil Site: Marjum Formation, Millard County, Utah

This is a mortality plate containing very nice complete and partial specimens of an uncommon species of blind trilobites known as Ptychagnostus richmondensis .

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