New Dinosaur Discovered in Utah

Cast of a Therizinosaurus cheloniformis claw at the Australian Museum, Sydney.  Photo credit:  Matt Martyniuk

Cast of a Therizinosaurus cheloniformis claw at the Australian Museum, Sydney. Photo credit: Matt Martyniuk

Scientists recently announced the discovery of the fossil remains of a new therizinosaur in Utah in the journal Proceedings of the Royal Society B.  Therizinosaurs are unusual with distinctive sickle-like claws.  This therizinosaur, named Nothronychus graffami, had in addition to its claws a big belly and leaf-shaped teeth which suggest it was a omnivore that ate plants.  Scientists speculate that the killer claws could have been used like the claws of a modern anteater or sloth.  Given that this new dinosaur was a theropod, it also provides insight into the evolution of other theropods like T. rex or Velociraptor.  For more information on this discovery, see MSNBC.

This photo is licensed under the Creative Commons Attribution ShareAlike 3.0 License.

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