Fossil of 16-million-year-old river dolphin found in Peru
Paleontologist Rodolfo Salas said the skull belonged to the largest dolphin known to have inhabited the waters of South America.
Fri Mar 22 2024
In Peru, skull of 'marine monster' points to fearsome ancient predator
The one-time top predator likely measured some 12 meters (39 feet) long, or about the height of a four-story building.
Fri Mar 18 2022