CerapodaDinosauriaElasmariaGenasauriaLate CretaceousNeornithischiaOrnithischiaOrnithopodaSouth America

Macrogryphosaurus gondwanicus 

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Dinosaur: Macrogryphosaurus gondwanicus 

Cretaceous: 89.8–86.3 Ma
Type: Ornithopod

Length*:6 m19.7 ft
Weight*:350 kg772 lb
ESR: 3.5 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Late Cretaceous
Stage: Coniacian
Years: 89.8–86.3 Ma

Details

Status: valid
Author: Calvo, Porfiri & Novas
Year: 2007

Distribution

Area: South America
Country: Argentina
Region: Neuquén
Formation: Sierra Barrosa


Locations


Sources

Material: Large part of skeleton without skull.
References: Rozadilla, S., Cruzado-Caballero, P., & Calvo, J. O. (2019). Osteology of Ornithopod Macrogryphosaurus gondwanicus (Dinosauria, Ornithischia) from the Upper Cretaceous of Patagonia, Argentina.

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