Giant, Round Prehistoric Turtle Discovered

A newfound giant turtle that lived 60 million years ago in what is now northwestern South America would have been more than a mouthful for a neighboring predator, the world's largest snake Titanoboa.

The turtle's huge carapace, or shell, was nearly circular, like a tire, the researchers said.

The fossil turtle was discovered in Colombia's La Puente pit in the Cerrejón Coal Mine, made famous for its other treasures, including the extinct Titanoboa cerrejonensis, two crocodile species, Cerrejonisuchus improcerus and Acherontisuchus guajiraensis, as well as two turtle species, the small-car-size Carbonemys cofrinii and the thick-shelled Cerrejonemys wayuunaiki. (C. improcerus would have been an easy meal for the 45-foot, or nearly 14 meters, Titanoboa snake, said researchers who discovered the 6- to 7-foot-long crocodile.)

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