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Cretaceous
Article
08.07.2025
The disappearance of non-avian dinosaurs didn’t mark the end of giant organisms in the living world. From enormous mammals to oversized insects and plants, CNRS News takes a closer look at some of...
12.17.2021
Over 60 million years ago, superpredators such as ichthyosaurs, plesiosaurs and mosasaurs roamed the seas. But what exactly were these reptiles, which are often incorrectly referred to as “marine...
Article
05.25.2017
Geochemists and paleontologists have cracked the secrets sealed in the calcium isotopes of fossil teeth to reveal why many large marine reptiles vanished from the Earth’s oceans during the mass...