Real bones

The real bones of the body and legs of the Raptorex kriegsteini dinosaur. <a class="taxInlineTagLink" id="OREDU0000151" title="University of Chicago" href="/topic/education/colleges-universities/university-of-chicago-OREDU0000151.topic">University of Chicago</a> paleontologist Paul Sereno says, "We have now leap-frogged in our understanding of how Tyrannosaurus rex and its tyrannosaurid relatives came to be on the strength of one specimen that was almost lost to science."
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( Tribune photo by Nancy Stone / September 14, 2009 )

The real bones of the body and legs of the Raptorex kriegsteini dinosaur. University of Chicago paleontologist Paul Sereno says, "We have now leap-frogged in our understanding of how Tyrannosaurus rex and its tyrannosaurid relatives came to be on the strength of one specimen that was almost lost to science."

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