AnkylopollexiaCerapodaDinosauriaGenasauriaHadrosauridaeHadrosauriformesHadrosauroideaHadrosauromorphaIguanodontiaLate CretaceousNeornithischiaNorth AmericaOrnithischiaOrnithopodaSaurolophinaeSaurolophiniStyracosterna

Saurolophus osborni  

Dinosaur: Saurolophus osborni  

Cretaceous: 72.1–66 Ma
Type: Ornithopod

Length*:10.2 m33.5 ft
Weight*:4.5 tons9,921 lb
ESR: 4 / 4 (estimated size reliability)
*The largest known specimen



Sources

Material: At least 3 individuals (include almost complete skeleton with skull).
References: Bell (2011). Cranial osteology and ontogeny of Saurolophus angustirostris from the Late Cretaceous of Mongolia with comments on Saurolophus osborni from Canada.

Locations

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