Eldredgeops (Phacops) rana
Devonian
Silica Shale Formation
Sylvania
Ohio, USA.

Excellent specimen of Eldredgeops rana, the iconic Devonian trilobite formerly classified as Phacops rana. Dating to the Devonian Period, this species inhabited warm shallow seas that once covered much of ancient North America roughly 390 million years ago.
62mm on small matrix piece