Fossil specimen of the Devonian cephalopod *Tetranodoceras transversum* from the Marcellus Shale (Cherry Valley Limestone Member) of Cayuga County, New York (PRI 5365). Specimen is from the collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Longest dimension of specimen is approximately 15 cm. Model by Emily Hauf.