File:Rexonbaurus.png

Summary
Rexonbaurus was the most biggest dinosaur that ever lived, he was exist in the perm period and in the cretaceous period he had a fight against lavasaur, that other giant dinosaur was made out of lava which was came out of a volcano, and when the fight was over they are falled right into the underworld before the meteor even got here, and than they continued what they started and than rexonbaurus defeated the lavasaur ,win and survive 20,000 years and get out of the underworld, and he was the last dinosaur in the whole earth.