New Fossil Suggests Dinosaurs Not So Fierce After All

Tim Rowe, professor of paleontology at The University of Texas at Austin’s Jackson School of Geosciences, led the effort to describe the new dinosaur along with co-authors Hans-Dieter Sues, curator of vertebrate paleontology at the National Museum of Natural History in Washington, DC and Robert R. Reisz, professor and chair of biology at the University of Toronto. The description appears in the online edition of the journal Proceedings of the Royal Society B on Oct. 6.

Sarahsaurus, which lived about 190 million years ago during the Early Jurassic Period, was 14 feet long and weighed about 250 pounds. Sarahsaurus was a sauropodomorph, a small but closely related ancestor to sauropods, the largest land animals in history.

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