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Sunday, March 16, 2014

28 Million-Year-Old Whale Skull Fossil Found, ‘Really Unusual’ New Species Shows Possible Origin Of Echolocation

The fossilized skull of a 28 million-year-old whale may be the oldest evidence paleontologists have of echolocation. According to analysis of the new species of toothed whale, Cotylocara macei looked similar to modern-day dolphins and lived in shallow marine environments. It also had a deep cavity on the top of its head that would have stored air during dives and may have reflected sound.
whale skull fossil
“The anatomy of the skull is really unusual,” Jonathan Geisler, a professor of anatomy at the New York Institute of Technology College of Osteopathic Medicine and lead author of the study, said in a statement. “I’ve not seen anything like this in any other whale, living or extinct.”

Source: Here

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