Name:
Cryptolithus bellulus
Age: Upper Ordovician
Formation: Martinsburg Formation
Location: Swatara Gap, Pennsylvania
Size: Plate is 5.3 inches tall
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This is a very rare pair of Trinucleid trilobites. It is a Cryptolithus bellulus double from the classic site at Swatara Gap, Pennsylvania. This specimen was collected by Steve Hess in 1984. This type of trilobite is known for the unusual pitted fringe that encircles the entire front of the trilobite - these specimens have this feature perfectly intact. Both trilobites have excellent detail preserved, and the long genal spines are also present, which is extremely unusual. The natural orange coloration of the fossils is distinct and quite striking. And both trilobites are natural to the piece - this is not a composite! This is a rare double example of this classic trilobite from Pennsylvania.
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