Tyrannosaurus rex fetus Variant:Unprimed in what is now Laos

in what is now Laos

almost 60 centimeters long

sticky tar

likely adapted for traveling long distances in wooded savanna or open woodland habitats

Tyrannosaurus rex fetus Variant:Unprimed in what is now LaosTyrannosaurus 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