Dinosaurs ruled the earth for more then 140 millionyears and are considered to be the ancestors oftodays reptiles. Tyrannosaurus rex was one of thelargest terrestrial carnivores to have ever roamed theEarth. Fossil skulls found on archeological sites showextremely big teeth and large, weight reducing holes.The Exo Terra T-Rex Skull is extremely realistic andadds a prehistoric accent to any type of terrarium;desert, rainforest or aquatic. This fossil skull hide-outoffers multiple entrances for easy access and addsan extra dimension to the terrarium setup. The moistmicroclimate inside the Exo Terra T-Rex Skull willsupport thermo-regulation and hydration, and aid thenatural shedding process of reptiles.