Science
Ancient tiny teeth reveal first mammals lived more like reptiles – Science Codex
Pioneering analysis of 200 million-year-old teeth belonging to the earliest mammals suggests they functioned like their cold-blooded counterparts – reptiles, leading less active but much longer lives.
The research, led by the University of Bristol, UK and University of Helsinki, Finland, published today in Nature Communications, is the first time palaeontologists have been able to study the physiologies of early fossil mammals directly, and turns on its head what was previously believed about o…
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