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Dinosaur: Loncosaurus argentinus
Cretaceous: 83.6–66 Ma

Length*: | 3.5 m | 11.5 ft |
Weight*: | 180 kg | 397 lb |
*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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