Oviraptosaurian Cast and Skull.
Composite reconstruction from CM 78000 and 78001.
Upper Cretaceous Hell Creek Formation, Sandy Site, Harding County, South Dakota.
Original material at Carnegie Museum of Natural History, Pittsburgh, PA.
(L/R): Tyler Lyson, Peter Buck Postdoctoral Fellow, Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution; Hans Sues, Senior Research Geologist, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution.
