Olenellus Trilobite | Nevada chatoyancy Orthoceras are extinct "straight" cephalopods

Orthoceras are extinct "straight" cephalopods that lived during the Late Devonian period around 370 million years ago

the animal would have been unable to chew its food and eventually would starve to death

Bone size approx

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Olenellus Trilobite | Nevada chatoyancy Orthoceras are extinct "straight" cephalopodsOlenellus chiefensis Early Cambrian Pioche Shale Lincoln County, Nevada Trilobite approx. size: 1" Matrix approx. size: 4" x 3" x 0. 5" at thickest part. Only 3mm at thinnest part. Olenellus chiefensis is a rare trilobite from the Early Cambrian period. This genus of trilobite lived approximately 522 to 510 million years ago. Fossils of Olenellus chienensis have been found in Lower Cambrian formations in North America, specifically in western areas