Dirley Cortés is a paleontologist in the Centro de Investigaciones Paleontológicas and a PhD candidate at McGill University’s Redpath Museum in Montreal, Canada.
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Hyper-Apex Predators: Colombian Fossils Reveal Big Reptilians Atop Ancient Marine Food Chain
Paleontologists pieced together a food chain from Paja Formation fossils, showing an additional level of apex predators with no modern equivalent.