Tyrannosaurus
Dinosaur skeleton settles debate over tiny T. rex fossils
A complete dinosaur skeleton has provided strong evidence that fossils long debated as juvenile Tyrannosaurus rex belong to a separate species called Nanotyrannus. Researchers analyzed a specimen from the 'Duelling Dinosaurs' site, confirming it as a fully grown individual distinct from T. rex. The findings challenge decades of palaeontological arguments.