It took 35 years for T. rex to become fully grown - CNN

It took 35 years for T. rex to become fully grown  CNNTyrannosaurus rex grew up slowly: New study reveals the “king of dinosaurs” kept growing until age 40  EurekAlert!Tyrannosaurids Took Their Time Growing to 17,000 Pounds  Nautilus | Science ConnectedT. rex Bones Reveal These Dinosaurs May Have Lived Far Longer Than We Thought  Scientific AmericanTyrannosaurus rex Took Nearly Four Decades to Grow Up, New Research Shows  Sci.News