Trilobite: Triarthrus eatoni (PRI 76772)

Description

Fossil specimen of the trilobite *Triarthrus eatoni* from the Ordovician Utica Shale of Herkimer County, New York (PRI 76772). Specimen is from the collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Length of specimen (not including surrounding rock matrix) is approximately 4 cm. Model by Emily Hauf.