Mongolia enacted laws in 1924 criminalizing the exportation of dinosaur fossils from the country.
CNN: U.S. seeks to return Tyrannosaurus skeleton to Mongolia
Peary, and naturalist Roy Chapman Andrews, a real-life Indiana Jones who roamed the Gobi Desert hunting for dinosaur fossils.
Under Mongolian law, dinosaur fossils are property of the Mongolian government and exporting them from the country is a criminal offense.
The fossil record also shows an apparent lack of dinosaur fossils in the last few million years leading up to the impact.
Mongolian dinosaur fossils had appeared on the black market for years, but there had been few, if any, organized efforts to stop their sale.
And it is a spectacular one, encompassing UNESCO World Heritage sites, pirate coves, dinosaur fossils, surf beaches, seal-basked rocks and enough Cornish pasty parlours to sustain your hiking between them.
Since no dinosaur fossils have ever been found in sediments dating from after this point, conventional wisdom has it that the largest creatures ever to roam the earth must have been cut down in their prime - victims of an asteroid impact that sparked firestorms, acid rain and a nuclear winter that blotted out the sun.
Along with Paralititan, researchers uncovered other fossils that they believe may belong to some of Stromer's lost dinosaur species, as well as fossils from fish, crab, coelacanth, and crocodile-like species.
The fossils of the dinosaur, Nyasasaurus parringtoni, were part of a collection at the Natural History Museum in London.
Andrews himself identified dozens of fossils of new dinosaur and other species, including the Velociraptor, the terrifying meat-eater made famous by the film Jurassic Park.
The fossils are the oldest collection of dinosaur embryos ever found, the researchers said.
The first meager fossils were found in Montana by dinosaur hunter Barnum Brown, who shipped them back to the American Museum of Natural History, where the new species was promptly dubbed Tyrannosaurus rex--"king of the tyrant lizards"--by museum president Henry Fairfield Osborn.
Researchers have discovered the fossils of what might be the earliest known dinosaur.
However, the new fossils come from a very different part of the dinosaur family tree.
Increasingly, Florida Fossils got into triple digits, especially when Prokopi started selling dinosaur parts.
Western Paleo is offering the dinosaur on March 21 at a natural history auction of stones, specimens and other fossils, conducted by I.
When the dinosaur reached Great Britain, he discovered that there were no permits, and imported the fossils anyway.
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