As soon as I recognized it, I saw the teeth sockets.

I screamed, This is a dolphin.

We could not believe it, Benites-Palomino toldThe Guardian.

Artistic interpretation of Pebanista yacuruna

Artistic reconstruction of Pebanista yacuruna (Photo: Jaime Bran viaWikimedia Commons,CC BY 4.0)

Specifically, in the Ganges and Indus rivers of South Asia, some 6,200 miles away.

But his findings will go much further.

The finding of Pebanista in the Peruvian Amazon only reasserts one thing, concludes Benites-Palomino.

Our fossils are rewriting the story of many animal groups.