Quetzalcoatlus vs. Pterodactyl — What's the Difference?

Quetzalcoatlus is a pterosaur known from the Late Cretaceous period of North America (Maastrichtian stage), it was one of the largest known flying animals of all time. Quetzalcoatlus is a member of the family Azhdarchidae, a family of advanced toothless pterosaurs with unusually long, stiffened necks.

A pterosaur of the late Jurassic period, with a long slender head and neck and a very short tail.

A large toothless pterosaur of the genus Quetzalcoatlus.

Any of various pterosaurs of the group Pterodactyloidea of the Jurassic and Cretaceous Periods, having a short tail or no tail, and including the pteranodons.

(paleontology) A pterosaur in the genus Pterodactylus.

(informal) Any pterosaur.

An extinct flying reptile; one of the Pterosauria. See Illustration in Appendix.

Extinct flying reptile