Fossils found in an underwater cave in 2009 near Mexico have been confirmed to belong to an ancient species of giant sloth.
The new species of sloth, called Xibalbaonyx oviceps, likely died in the cave when the sea level was lower and it was dry. Researchers said the Xibalbaonyx was at least 500 pounds.
This new find shows giant sloths could have been found in the Caribbean area around 11,000 years ago, using Mexico as a corridor between South and North America.
The well-preserved fossil was found by Vicente Fito, a cave explorer who dove 100 feet underground in a limestone cave in the jungle of Yucatán, reported National Geographic.
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