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Still Waters

Ancient sloth bitten by ancient crocodile

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Still Waters

A pair of researchers, one with Instituto Argentino de Nivología, the other Universidad Peruana Cayetano Heredia, has found fossil evidence of an ancient giant ground sloth living in proto-Amazonian swamps. The fossil has shinbone bite marks from a Miocene caiman Purussaurus, a large crocodilian species from the period. In their paper published in the journal Biology Letters, François Pujos and Rodolfo Salas-Gismondi describe the fossil and what they learned about it.

The fossil was found in the rocks of a Pebas formation (near the Napo River) of the Peruvian Amazon back in 2004, but until now, it had not been thoroughly studied. 

https://phys.org/news/2020-08-ancient-sloth-bitten-crocodile.html

https://royalsocietypublishing.org/doi/10.1098/rsbl.2020.0239

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