Meet the mini T-rex: The tiny 4ft dinosaur with grasping hands that gave rise to the most ferocious predator of all time

It's the dinosaur that spawned the biggest and most ferocious land predator that ever lived.The remains of a previously unknown species of dinosaur that was an early ancestor of Tyrannosaurus rex have been discovered.Eodromaeus - or 'dawn runner' - was only 4ft-long from nose to tail-tip and weighed a mere 10 to 15lbs when it roamed Earth approximately 230 million years ago.But the two-legged