AnkylopollexiaCerapodaDinosauriaGenasauriaHadrosauridaeHadrosauriformesHadrosauroideaHadrosauromorphaIguanodontiaLate CretaceousNeornithischiaNorth AmericaOrnithischiaOrnithopodaSaurolophinaeStyracosterna

“Trachodon” longiceps

Dinosaur: "Trachodon" longiceps

Type: Ornithopod

Length*: 12.8 m 42.0 ft
Weight*: 9.1 tons 20,062 lb
*The largest known specimen

ESR: 2 / 4 (estimated size reliability)


Material: Right dentary.
References: Lull, Richard S.; Wright, Nelda E. (1942). "Hadrosaurian Dinosaurs of North America".


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