CerapodaDinosauriaGenasauriaIguanodontiaLate CretaceousNeornithischiaOrnithischiaOrnithopodaSouth America

Loncosaurus argentinus

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Dinosaur: Loncosaurus argentinus

Cretaceous: 83.6–66 Ma
Type: Ornithopod

Length*:3.5 m11.5 ft
Weight*:180 kg397 lb
ESR: 1 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Late Cretaceous
Stage: Campanian-Maastrichtian
Years: 83.6–66 Ma

Details

Status: nomen dubium
Author: Ameghino
Year: 1899

Distribution

Area: South America
Country: Argentina
Region: Santa Cruz
Formation: Cerro Fortaleza


Sources

Material: Femur.
References: Novas (2009). The age of Dinosaurs in South America.

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