A giant predatory lizard swam in Antarctic seas near the Maastrichtian period

Kaikaifilu is a new species of giant sea lizard (mosasaur) discovered in 66 million-year-old rocks of Antarctica. At about 10 m long, it is the largest known top marine predator from this continent. It lived near the end of the dinosaur age, when Antarctica was a much warmer ecosystem, and fed on filter-feeding marine reptiles.

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