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Sauropods of the Maastrichtian
Taxa Presence Location Description Images
  • Alamosaurus sanjuanensis
70-66 Ma Ojo Alamo Formation, New Mexico, USA

North Horn Formation, Utah, USA

An opisthocoelicaudiine saltasaurid and one of the largest known North American dinosaurs.
Alamosaurus
Ampelosaurus
Huabeisaurus
Hypselosaurus
Isisaurus
Magyarosaurus
Nemegtosaurus mongoliensis
Opisthocoelicaudia
Quaesitosaurus
Rapetosaurus
Saltasaurus
  • Ampelosaurus atacis
70-66 Ma Marnes Rouges Inferieures Formation, France This nemegtosaurid had distinctive osteoderms with three different morphologies. It would have stretched up to about 15 meters (49 ft) from snout to tail.
  • Arkharavia heterocoelica
66 Ma Udurchukan Formation, Russia A dubious somphospondyl known from few remains. Some of the originally described remains actually belong to a hadrosaur.
  • Balochisaurus malkani
70-66 Ma Pab Formation, Pakistan A titanosaur known a partial skull and several vertebrae.
  • Bonatitan reigi
84-66 Ma, Santonian to Maastrichtian Argentina A saltasaurid known from a partial skeleton, including a braincase and caudal vertebrae. It may be a saltasaurine.
  • Campylodoniscus ameghinoi
95-70 Ma, Cenomanian to Maastrichtian Argentina A little-known titanosaur known from a single maxilla.
  • Dreadnoughtus schrani
84-66 Ma, Santonian to Maastrichtian Cerro Fortaleza Formation, Santa Cruz Province, Argentina A giant titanosaur, possessing the greatest mass of any land animal that can be calculated with reasonable certainty. It is known to be 26 meters (85 ft) long and 6 meters (20 ft) tall at the shoulder.
  • Gondwanatitan faustoi
70 Ma Brazil An aeolosaurid titanosaur.
  • Huabeisaurus allocotus
99.7-70.6 Ma, Cenomanian to Maastrichtian Huiquanpu Formation, Shanxi, China A mid-sized titanosaur, closely related to Tangvayosaurus.
  • Hypselosaurus priscus
70-66 Ma Grès à Reptiles Formation, Provence-Alpes-Cote d'Azur, France A titanosaurid with proportionally robust legs. Notable for having referred eggs.
  • Isisaurus colberti
70 Ma Lameta Formation, Maharashtra, India An antarctosaurid with a short, vertically directed neck and long forelimbs, considerably different from other sauropods.
  • Jainosaurus septentrionalis
68 Ma Lameta Formation, Madhya Pradesh, India A large titanosaur that would have measured around eighteen meters long and held its head six meters high.
  • Khetranisaurus barkhani
70-66 Ma Pab Formation, Pakistan A titanosaur closely related to Pakisaurus, known only from a tail vertebra.
  • Loricosaurus noricus
71 Ma Allen Formation, Neuquén Province, Argentina A saltasaurine saltasaurid that, due to the presence of armor, was first thought to be an ankylosaur.
  • Magyarosaurus dacus
70-66 Ma Sanpetru Formation, Hunedoara County, Romania A nemegtosaurid and one of the smallest species of sauropod, measuring only six meters in length.
  • Marisaurus jeffi
70-66 Ma Pab Formation, Pakistan A titanosaur closely related to Balochisaurus, known from a partial skeleton.
  • Nemegtosaurus mongoliensis
  • Nemegtosaurus pachi
70 Ma Nemegt Formation, Omnogovi Province, Mongolia A nemegtosaurid with a long, diplodocoid-like skull with pencil-shaped teeth.
  • Neuquensaurus australis
  • Neuquensaurus robustus
71 Ma Anacleto Formation, Neuquén Province, Argentina

Uruguay

A saltasaurine saltasaurid. A relatively small sauropod, it is one of the most completely known of Patagonian sauropods.
  • Opisthocoelocaudia skarzynskii
70 Ma Nemegt Formation, Omnogovi Province, Mongolia An opisthocoelicaudiine saltasaurid measuring over 11 m (36 ft) long. It is one of the best known sauropods from the Late Cretaceous.
  • Pakisaurus balochistani
70-66 Ma Pab Formation, Pakistan A titanosaur known only from a few vertebrae.
  • Paludititan nalatzensis
Hunedoara County, Romania A titanosaur known from a partial skeleton.
  • Quaesitosaurus orientalis
85-70 Ma, Santonian to Maastrichtian Barun Goyot Formation, Omnogovi Province, Mongolia A nemegtosaurid known only from a partial skull. It is possible that it is closely related to, if not a synonym of, Nemegtosaurus, which is also known only from cranial material.
  • Rapetosaurus krausei
70-66 Ma Maevarano Formation, Mahajanga Province, Madagascar A fairly modestly-sized nemegtosaurid, likely around 15 meters (49 ft) in length.
  • Saltasaurus loricatus
70 Ma Lecho Formation, Salta Province, Argentina

Uruguay

A well-known saltasaurine saltasaurid. Relatively small for a sauropod, it was the first genus of sauropod known to possess armor - in this case, bony plates embedded in its skin.
  • Sulaimanisaurus gingerichi
70-66 Ma Pab Formation, Pakistan A titanosaur closely related to Pakisaurus and Khetranisaurus.
  • Titanosaurus indicus
  • Titanosaurus blandfordi
70 Ma Lameta Formation, India A dubious titanosaurid. Traditionally it has bee treated as a "wastebin taxon" for poorly preserved titanosaur remains. Later discoveries have showed its unique traits are nondiagnostic in titanosaurs, and Titanosaurus is thus considered a nomen dubium by most paleontologists.
  • Uberabatitan ribeiroi
67 Ma Marilia Formation, Brazil A little-known titanosaur known from few bones.
  • Vahiny depereti
70-66 Ma Maevarano Formation, Mahajanga Province, Madagascar A rare titanosaur, identified from a braincase. It is most similar to the Indian Jainosaurus.