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Ancient fossil reshapes dinosaur history
An 85-million-year-old fossil discovered in southern France is rewriting the history of mosasaurs, showing that some species were not limited to seas and oceans but had adapted to live in freshwater environments such as rivers and lakes. They went extinct approximately 66 million years ago during the mass extinction event. The analysis indicates that mosasaur evolution was not linear but involved independent adaptations to different environments. Their laterally compressed bodies helped them swim in ways similar to sea snakes. The discovery of a new species, known as Garamaudo bauciensis, serves as evidence of the diverse habitats these reptiles occupied during the Cretaceous period, broadening scientists’ understanding of their ecological versatility and adaptability.
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