Glacialisaurus Landscape (IMAGE) Field Museum Caption Artist's reconstruction of Glacialisaurus hammeri and Antarctica during the early Jurassic, with several pterosaurs in the background and a small mammal-like reptile in the foreground. The new dinosaur genus and species was described by Nathan Smith, a graduate student at the Field Museum, and Diego Pol, a paleontologist at the Museo Paleontologico in Chubut, Argentina. Credit William Stout Usage Restrictions Only for news outlets in connection with this initial story. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.