From the press release:
New Mexico Museum of Natural History & Science researchers reveal massive Tyrannosaurus rex relative unearthed in western New Mexico
The jawbone of Tyrannosaurus mcraeensis, a newly discovered relative of T. rex.
Usage: Courtesy of NMMNHS
Note: Representative image at left is often cropped for display purposes. Downloaded high-resolution images are not cropped.
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Mexico Department of Cultural Affairs.