March 20 (UPI) — An international team of researchers found the remains of a giant freshwater dolphin that is about 16 million years old and the largest river dolphin species ever found, the University of Zurich announced Wednesday.
Published Mar 21, 2024 3:26 PM CETArtistic reconstruction shows a Pebanista yacuruna in the murky waters of the Peruvian proto-Amazonia.
"After two decades of work in South America, we had found several giant forms from the region, but this is the first dolphin of its kind," Marcelo Sanchez-Villagra, director of the paleontology department at the University of Zurich said. They said the newly discovered but extinct species was part of the Platanistoidea group of dolphins that existed between 24 million and 16 million years ago and likely was an ocean-going species that entered the Amazon region due to its abundance of food sources.
The giant dolphins thrived in the area until about 10 million years ago, when the modern Amazon River began to emerge from the extensive aquatic environment and deprived the giant dolphins of their habitat and food sources.
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