Researchers in Argentina have uncovered a major sauropod fossil, Bicharracosaurus dionidei, dating back about 155 million years. At roughly 20 meters long, its distinctive bone structure suggests a biological link between South American and North American sauropods, offering fresh evidence for how these giants spread and evolved across the ancient southern supercontinent.
Paleontologists say Brachytrachelopan mesai was a sauropod with a neck about 40 percent shorter than its giant relatives, challenging the assumption that long necks were essential. Researchers believe it fed on low-lying plants, carving out a niche others avoided. The find underscores that evolution often takes opportunistic routes, not fixed playbooks.
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Researchers in Germany have uncovered a well-preserved ichthyosaur fossil from roughly 180 million years ago, belonging to the Temnodontosaurus genus. The specimen shows injury evidence alongside anatomical adaptations that hint it endured physical setbacks. By studying its anatomy and likely diet, scientists aim to better understand how Jurassic marine reptiles lived and survived in ancient seas.
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