The genus Quetzalcoatlus is based on fossils discovered in rocks pertaining to the Late Cretaceous
Lawson … See more

Quetzalcoatlus northropi was among the largest azhdarchids, though was rivalled in size by Arambourgiania and Hatzegopteryx (and possibly Cryodrakon). Azhdarchids were split into two primary categories: short-neck… See more

When describing Quetzalcoatlus in 1975, Douglas Lawson and Crawford Greenewalt opted not to assign it to a clade more specific than Pterodactyloidea, though comparisons with Arambourgiania (then Titanoptery… See more

In 2008, Mark Witton and Darren Naish pointed out that although azhdarchids have historically been considered to have been scavengers, probers of sediment, swimmers, waders, aerial predators, or stork-like … See more

Quetzalcoatlus is known from the Lancian portion of the Javelina Formation, in a fauna dominated by Alamosaurus. It co-existed with another azhdarchid known as Wellnhopterus, as well as an additional pterosaur t… See more

In 1975, artist Giovanni Caselli depicted Quetzalcoatlus as a small-headed scavenger with an extremely long neck in the book The evolution and ecology of the Dinosaurs by British paleontologist Beverly Halstead. … See more