In a paper published August 23, authors Cameron Pahl and Luis Ruedas, of Portland State University, show that Allosaurus, a large carnivorous dinosaur from the Jurassic that has long been thought to ...
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, ...
The remains of dinosaurs are entombed in strata all over the world, but many notable specimens have also been buried in museum collections and obscure bits of technical literature. One such dinosaur, ...
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