Cephalopod: Grossouvrites sp. (PRI 60629)

Description

Fossil shell of the ammonite *Grossouvrites* sp. from the Cretaceous Lopez de Bertodano Formation of Seymour Island, Antarctica (PRI 60629). Specimen is from the research collection of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Maximum diameter of specimen is approximately 25 cm. Model by Emily Hauf.