Skull of <i>Edmontosaurus annectens</i> fossil at National Museum of Natural History. Washington, DC.

Skull of <i>Edmontosaurus annectens</i> fossil (Late Cretaceous 80-65 million years ago) at National Museum of Natural History. Washington, DC.

Skull of Edmontosaurus annectens fossil (Late Cretaceous 80-65 million years ago) at National Museum of Natural History. Washington, DC.
Photo by Jim Steinhart © 2013, all rights reserved. (Ref: DCMN161)

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Smithsonian National Museum of Natural History, Washington, DC