Fossil of 16-million-year-old river dolphin found in Peru
Reuters
Published Mar 20, 2024 07:01PM ET
Updated Mar 20, 2024 08:07PM ET
(Reuters) - Scientists on Wednesday unveiled a 16 million-year-old fossil skull unearthed in Peru of a river dolphin that once swam in waters that are now the Amazon (NASDAQ:AMZN), and whose closest living relative is the South Asian river dolphin in India's Ganges River.
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). It was named Pebanista yacuruna after the Yacuruna, a Peruvian mythological being that lived in deep water.
"This dolphin is related to the dolphin of the Ganges river in India," Salas said, adding the one found in Peru is much bigger than its living relatives in Asia.
The ancestors of both dolphins formerly lived in the ocean, Salas said.
"This allowed them to occupy large ocean spaces near the coasts of India and South America. These animals lived in the freshwater environments both in the Amazon and India. Sadly, they became extinct in the Amazon, but in India they survived," Salas added.
The study was published in the journal Science Advances.
Scientists found the fossil during a 2018 expedition sponsored by the National Geographic Society at the Napo River.
The Amazon and Orinoco river basins still are home to a species known as the Amazon river dolphin, also called the pink river dolphin or boto.
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Written By: Reuters
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