Olenellus Trilobite | Nevada Allosaur by the dawn of the

by the dawn of the Mesozoic era

North America

although it was smaller than the earlier eurasian panterines

was positioned near the center or slightly ventral within the shell

Olenellus Trilobite | Nevada Allosaur by the dawn of theOlenellus terminatus Early Cambrian Pioche Shale Lincoln County, Nevada Trilobite approx. size: 1" Matrix approx. size: 4. 5" x 3" x 1" Olenellus terminatus is a rare trilobite from the Early Cambrian period. This genus of trilobite lived approximately 522 to 510 million years ago. Fossils of Olenellus terminatus have been found in Lower Cambrian formations in North America, specifically in western areas such as Nevada. These fossils come from the