Peru’s Prehistoric Croc Hotspot

The "Age of Reptiles" was supposed to have ended long ago. The 170 million year reign of dinosaurs, pterosaurs, plesiosaurs, and their ilk was brought to an close 66 million years ago by an unfortunate combination of earthly and extraterrestrial causes, opening the way for beasts to take over.

But it's not as if reptiles entirely disappeared or were relegated to being bit players in the new "Age of Mammals". Scaly survivors thrived in the new world, spinning off strange and superlative species. Titanoboa, for example, earned its title as "Largest Snake of All Time" about 60 million years ago ...

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