AnkylopollexiaCerapodaDinosauriaEarly CretaceousGenasauriaIguanodontiaNeornithischiaNorth AmericaOrnithischiaOrnithopodaStyracosterna

Iguanacolossus fortis

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Dinosaur: Iguanacolossus fortis

Cretaceous: 139.8–132.6 Ma
Type: Ornithopod

Length*:9.8 m32.2 ft
Weight*:5 t11,023 lb
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Early Cretaceous
Stage: Valanginian
Years: 139.8–132.6 Ma

Details

Status: valid
Author: McDonald et al.
Year: 2010

Distribution

Area: North America
Country: USA
Region: Utah
Formation: Cedar Mountain


Locations


Sources

Material: Partial skeleton (vertebrae, ilium and other elements) with skull fragments.
References: McDonald AT, Kirkland JI, DeBlieux DD, Madsen SK, Cavin J, et al. (2010). "New Basal Iguanodonts from the Cedar Mountain Formation of Utah and the Evolution of Thumb-Spiked Dinosaurs".

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