An azhdarchid neck vertebra, discovered in 2002 from the Maastrichtian age Hell Creek Formation, may also belong to "Quetzalcoatlus". The specimen (BMR P2002.2) was recovered accidentally when it was included in a field jacket prepared to transport part of a "Tyrannosaurus" specimen. Despite this association with the remains of a large carnivorous dinosaur, the vertebra shows no evidence that it was chewed on by the dinosaur. The bone came from an individual azhdarchid pterosaur estimated to have had a wingspan of .