Longisquama: This creature was known as the first archosaur to have been able to glide or parachute. It is known for its elongated pair of scales along its back, with the anterior ones resembling feathers.
Therizinosaurus by *AntarcticSpring. Therizinosaurus is a genus of very large theropod dinosaurs. Therizinosaurus comprises the single species T. cheloniformis, which lived in the late Cretaceous Period, and was one of the last and largest .