AnchisauriaDinosauriaEusaurischiaEusauropodaEutitanosauriaGravisauriaLate CretaceousLithostrotiaMacronariaMassopodaNeosauropodaNorth AmericaOpisthocoelicaudinaePlateosauriaSaltasauridaeSaurischiaSauropodaSauropodiformesSauropodomorphaSomphospondyliTitanosauriaTitanosauriformes
Alamosaurus sanjuanensis
Dinosaur: Alamosaurus sanjuanensis
Cretaceous: 70-66 Ma
| Length*: | 26 m | 85.3 ft |
| Weight*: | 38 tons | 83,776 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Maastrichtian
Years: 70-66 Ma
Details
Status: valid
Author: Gilmore
Year: 1922
Distribution
Area: North America
Country: USA
Region: New Mexico, Texas, Utah
Formation: Ojo Alamo, Kirtland, North Horn, Javelina, El Picacho, Black Peaks
Sources
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".
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