The 225-million-year-old fossil that changes everything we know about dinosaurs
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The 225-million-year-old fossil that changes everything we know about dinosaurs
A remarkable fossil unearthed in Africa is rewriting the story of dinosaur origins. The 225-million-year-old leg bone, belonging to a little-known group of reptiles called silesaurs, challenges long-held beliefs about the size of the very first dinosaurs — or their closest ancestors. The breakthroug...
2 个月之前
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Miners in Canada came across what is considered to be the best preserved fossil of its kind. Meet the nodosaur, a plant-eating armored dinosaur. | National Geographic
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Spinosaurus remains one of the most controversial predators in dinosaur history. The initial idea —put forth after the discovery of more complete fossils in 2014—was that it was a fully aquatic predator, using a paddle-like tail, dense bones, and crocodile‐style jaws to hunt fish underwater.  A 2022 study found that Spinosaurus and its close relative Baryonyx had unusually dense thigh and rib bones—structures similar to those in animals adapted for submerging in water (like penguins or manatees
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Spinosaurus was a massive, semi-aquatic predator with a long, crocodile-like snout, perfectly suited for hunting fish. Living in North Africa's river systems, it shared its habitat with large fish, turtles, and even other dinosaurs like Carcharodontosaurus. Its distinctive sail and paddle-like tail helped it move through water, making it an efficient swimmer in its riverine environment. Spinosaurus is one of the largest carnivorous dinosaurs, and its weird lifestyle sets it apart from other ther
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Prehistoric Dinosaur Hub on Instagram: "Spinosaurus remains one of the most controversial predators in dinosaur history. The initial idea —put forth after the discovery of more complete fossils in 2014—was that it was a fully aquatic predator, using a paddle-like tail, dense bones, and crocodile‐style jaws to hunt fish underwater.  A 2022 study found that Spinosaurus and its close relative Baryonyx had unusually dense thigh and rib bones—structures similar to those in animals adapted for submer
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