Name: Lonchocephalus plena
Trilobite Order Ptychopariida, Family Ptychopariidae
Locality: Weeks Formation, House Range, Millard County
Geologic Time: Upper Middle Cambrian
Remarks: The species is diminutive, and this is a 6 mm fully
adult specimen. The species is relatively rare in the Weeks Formation.
Credits: Photo courtesy Fossil Mall
