AnkylopollexiaCerapodaDinosauriaGenasauriaHadrosauridaeHadrosauriformesHadrosauroideaHadrosauromorphaIguanodontiaKritosauriniLate CretaceousNeornithischiaOrnithischiaOrnithopodaSaurolophinaeSouth AmericaStyracosterna

Bonapartesaurus rionegrensis

Dinosaur: Bonapartesaurus rionegrensis

Type: Ornithopod

Length*:6.9 m22.6 ft
Weight*:1.85 tons4,079 lb
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen


Material: A large part of the skeleton without skull.
References: Cruzado-Caballero, P., & Powell, J. (2017). Bonapartesaurus rionegrensis, a new hadrosaurine dinosaur from South America: implications for phylogenetic and biogeographic relations with North America.


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