Well you can always go to the Cenozoic Era, where we have saber toothed cat, Giant grounds sloths, hairy elephants, and a giant hornless rhino with a long neck
You mean the pterosaur, tethydraco. The 2 dinosaurs Mononykus and Deinocheirus. And the two rexes are Nanuqsaurus and Qianzhousaurus (Which the one holding Corythoraptor with its jaws)
