The Smithsonian National History Museum’s fossil specimen of Allosaurus fragilis is perched like a nesting bird guarding a clutch of fossilized eggs. (Courtesy USNM V 4734, Department of Paleobiology, ...
Displayed in the National Museum of Natural History’s Deep Time Fossil Hall, the Allosaurus Fossil Is Now the Name-Bearing Specimen for the Entire Species Note to editors: Photos of the type specimen ...
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