1.45" Calymene Clavicula Trilobite - Oklahoma

This is a 1.45" long Calymene clavicula trilobite from the Henryhouse Formation of Oklahoma. These trilobites are substantially older than the Devonian material from near Clarita. Unlike the Haragan there aren't any active quarries in the Henryhouse, so trilobites like this one were collected years ago.

This specimen is free of the surrounding matrix and slightly compressed with the tail tucked.