AnchisauriaDinosauriaEusaurischiaEusauropodaEutitanosauriaGravisauriaLate CretaceousLithostrotiaMacronariaMassopodaNeosauropodaNorth AmericaOpisthocoelicaudinaePlateosauriaSaltasauridaeSaurischiaSauropodaSauropodiformesSauropodomorphaSomphospondyliTitanosauriaTitanosauriformes
Alamosaurus sanjuanensis
Dinosaur: Alamosaurus sanjuanensis
![](/dinosaurdatabase/wp-content/uploads/dinos/Sauropod.jpg)
Length*: | 26 m | 85.3 ft |
Weight*: | 38 tons | 83,776 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Maastrichtian
Details
Status: valid
Autor: Gilmore
Year: 1922
Area: North America
Country: USA
Region: New Mexico, Texas, Utah
Formation: Ojo Alamo, Kirtland, North Horn, Javelina,
El Picacho, Black Peaks
Other
Material: Many individuals (mostly juvenile and subadult).
References: Gilmore, C.W. (1922). "A new sauropod dinosaur from the Ojo Alamo Formation of New Mexico".
D'Emic, M. (2012) "The early evolution of titanosauriform sauropod dinosaurs".
Lehman, T.M.; Coulson, A.B. (2002). "A juvenile specimen of the sauropod Alamosaurus sanjuanensis from the Upper Cretaceous of Big Bend National Park, Texas".
________________________