Smithsonian Magazine on MSN
This ancient animal looked like a platypus-otter hybrid. It's providing clues about the origins of mammalian suckling and swallowing
Some 165 million years ago, a predator that looked like a strange mishmash of a platypus and river otter roamed what’s now ...
A fossil discovery suggests that suckling emerged in a common ancestor of modern mammals that lived in the Jurassic period.
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