Late Cretaceous azhdarchid pterosaurs are known from fairly incomplete remains in North America. These remains have primarily been reported from continental and fluvial deposits of the western United States. Here we refer a fragmentary cervical vertebra from the Late Campanian micaceous facies of the Coon Creek Formation of Tennessee, a near-shore marine deposit, to the azhdarchid pterosaur taxon Arambourgiania philadelphiae. This specimen represents the first reported occurrence of A. philadelphiae from North America, expands the temporal range of A. philadelphiae from the Maastrichtian to the Late Campanian, is the first reported occurrence of Pterosauria from the state of Tennessee, and extends the known geographic range of the Azhdarchidae to the eastern Gulf Coastal Plain of the United States. [ABSTRACT FROM AUTHOR]