This tiny jurassic predator helped pave the way for the human brain

A furry predator that lived 165 million years ago is offering scientists an unexpected glimpse into the evolution of mammals. Known as Megacauda sungei, this ancient hunter measured only about half a meter (20 inches) from nose to tail, yet it was remarkably large compared with most of its Jurassic relatives. It hunted in the water, using teeth with backward-curving cusps to grip slippery prey.

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