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Alamosaurus sanjuanensis

Dinosaur: Alamosaurus sanjuanensis

Type: Sauropod

Length*: 26 m 85.3 ft
Weight*: 38 tons 83,774 lb
*The largest known specimen

ESR: 3 / 4 (estimated size reliability)


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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