Platyceras niagarensis (PRI 76748)

Description

Fossil specimen of the gastropod *Platyceras niagarensis* from the Silurian Waldron Shale of Shelby County, Indiana (PRI 76748). Specimen is from the collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Longest dimension of specimen is approximately 5 cm. Model by Emily Hauf.