Large Presbynileus ibexensis Utah Ordovician Trilobite

Presbynileus ibexensis

Trilobites Order Asaphida, Family Asaphidae

Size (25.4 mm = 1 inch): 37 mm long by 50 mm wide on a 105 mm by 65 mm matrix

Fossil Site: Fillmore Formation, Millard County, Utah

Fossil Code: TR122

Price: $135.00

Here is a superbly-preserved Ordovician trilobite from Utah known as Presbynileus ibexensis. The state is far better known for is panoply of Cambrian trilobites, with those from the Ordovician considerably more rarely seen. It is comprised of the cephalon and several thoracic segments of the largest example I have seen.

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