AnkylopollexiaCerapodaDinosauriaGenasauriaHadrosauridaeHadrosauriformesHadrosauroideaHadrosauromorphaIguanodontiaLate CretaceousNeornithischiaNorth AmericaOrnithischiaOrnithopodaStyracosterna

Ornithotarsus immanis

Dinosaur: Ornithotarsus immanis


Type: Ornithopod

Length*: 11.2 m 36.7 ft
Weight*: 5.6 tons 12,346 lb
*The largest known specimen

ESR: 1 / 4 (estimated size reliability)


Other

Material: Left distal tibia, astragalus, calcaneum, and distal fibula fragment.
References: Prieto-Marquez, A., Weishampel, D.B., and Horner, J.R. (2006). "The dinosaur Hadrosaurus foulkii, from the Campanian of the East Coast of North America, with a reevaluation of the genus.".

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