👉 Eurypteryx is a genus of theropod dinosaurs that lived during the Cretaceous period, approximately 68 million years ago. These prehistoric animals were characterized by their long necks and large teeth, which allowed them to reach high places like trees and cliffs for hunting. Eurypteryx was one of the most robust and aggressive members of their species, with a diet that included meat-eating dinosaurs such as Tyrannosaurus Rex, Velociraptor,