Width 77 mm

dated approximately between 70 and 66 million years ago (Maastrichtian)

and a shrill cry of surprise and pain filled the air

Length 250 mm

covered in tiny scales

Tyrannosaurus rex fetus Therizinosaurus Width 77 mmTyrannosaurus rex , one of the most iconic and studied dinosaurs in the fossil record, was a carnivorous theropod that lived during the Late Cretaceous, approximately 68 to 66 million years ago in what is now North America. Growing up to 12 meters long and weighing in excess of 8 tons, T. rex dominated its ecosystem as a superpredator. Despite its imposing size as an adult, however, it started life surprisingly modestly. To date, no eggs have been