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Spinosaurus relative longer than a pickup truck stalked Thailand's rivers 125 million years agoA large fish-eating dinosaur died beside a river 125 million years ago in Cretaceous Thailand. Now, the remains of this ancient predator are helping researchers better understand Asia's enigmatic spinosaurids.
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18,000 dinosaur tracks discovered along ancient Bolivian coastline — and they set a new recordResearchers have counted 16,600 fossilized dinosaur footprints and 1,378 swim tracks at a site in Bolivia that showcase a variety of behaviors and different theropods from the Cretaceous period.
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Nanotyrannus isn't a 'mini T. Rex' after all — it's a new species, 'dueling dinosaurs' fossil revealsAn argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a separate species may finally be settled.
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First-ever 'mummified' and hoofed dinosaur discovered in Wyoming badlandsResearchers have unearthed two dinosaur "mummies" in the badlands of Wyoming, confirming duck-billed dinosaurs had hooves, alongside a string of other discoveries.
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Rare fossils in New Mexico reveal dinosaurs were doing just fine before the asteroid annihilated them allNew dating has revealed that New Mexico's last dinosaurs were healthy, diverse and thriving at the end of the Cretaceous period, suggesting non-avian dinosaurs weren't in decline before being snuffed out by the asteroid strike.
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Gigantic dinosaur with 'claws like hedge trimmers' found with croc leg still in its jaws in ArgentinaSpeedy megaraptor Joaquinraptor casali had big arms and claws like hedge trimmers that would have made T. rex's forelimbs look puny.
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Oldest-known dome-headed dinosaur discovered sticking out of a cliff in Mongolia's Gobi DesertThe juvenile pachycephalosaurs, which predates the previous oldest dome-headed dinosaur by 15 million years, reveals more about how and when this unusual feature developed.
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Scientists find baby pterosaurs died in violent Jurassic storm 150 million years agoResearchers found storm injuries during a baby pterosaur post-mortem, solving a Jurassic mystery that was 150 million years in the making.
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'So weird': Ankylosaur with 3-foot spikes sticking out of its neck discovered in MoroccoThe ostentatious spikes of a newly described ankylosaur fossil suggest that its armor evolved via sexual selection.
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