Report
120-million-year-old mammal may have replaced its teeth throughout life
New Scientist reports that the semi-aquatic mammal fossil found in China had feet remarkably like a platypus’s.
TLDR
New Scientist reports that Dongoconodon platycauda, a 120-million-year-old mammal fossil found in China, had a streamlined appearance and feet remarkably like a platypus’s. Its teeth appear to have been replaceable throughout life, unlike the two sets most modern mammals get. Researchers say the animal’s unusual mix of traits offers a window into early mammal evolution.
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