Trilobite: Calymene celebra (PRI 42100)

Description

Fossil specimen of the trilobite *Calymene celebra* from the Silurian Niagara Series of Milwaukee, Wisconsin (PRI 42100). Specimen is from the collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Specimen is approximately 4 cm in length. Model by Emily Hauf.