Pebanista constitutes the largest freshwater odontocete known ... leading to its evolution of a greater body size.” The post A Huge Species of Dolphin Lived in the Amazon Region 16.5 Million ...

Paleontologist Rodolfo Salas said the skull belonged to the largest dolphin known to have inhabited the waters of South America, measuring 3 to 3.5 meters long (9.8 to 11.4 feet) “This dolphin ...