Pterosaur, Pterodactyl Model Tyrannosaurus Rex and could more accurately be

and could more accurately be referred to as a stegocephalian or stem tetrapod

Archaeobelodon

and a circle of arms with a pair of grasping tentacles around the mouth or beak

was a Pterosauromorpha (a gliding thecodont

few intact examples of rhenanids have survived in the fossil record

Pterosaur, Pterodactyl Model Tyrannosaurus Rex and could more accurately bePterosaurs meaning "winged lizard" are flying reptiles of the extinct clade or order Pterosauria. They existed from the late Triassic to the end of the Cretaceous (228 to 66 million years ago. Pterosaurs are the earliest vertebrates known to have evolved powered flight. Their wings were formed by a membrane of skin, muscle, and other tissues stretching from the ankles to a dramatically lengthened fourth finger. Early species had long, fully toothed