This snake, with a head the size of a human's, was found dead just weeks after it was discovered

A giant northern green anaconda named Ana Julia was discovered in Brazil. This enormous snake measured nearly eight meters ...
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It was a snake, but no ordinary snake. At a staggering 4m long this prehistoric monster was the largest venomous serpent to have ever lived

Known from just a handful of fossils, Laophis remains one of the most intriguing and elusive giant snakes ever discovered.