AnkylosauriaDinosauriaEarly CretaceousEurypodaGenasauriaNodosauridaeNorth AmericaOrnithischiaThyreophora

Tatankacephalus cooneyorum 

Dinosaur: Tatankacephalus cooneyorum 



Type: Ankylosaur

Length*:3.9 m12.8 ft
Weight*:450 kg992 lb
ESR: 2 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Early Cretaceous
Stage: Late Aptian-Early Albian

Details

Status: valid
Autor: Parsons & Parsons
Year: 2009
Area: North America
Country: USA
Region: Montana
Formation: Cloverly

Classification

Dinosauria
Ornithischia
Genasauria
Thyreophora
Eurypoda
Ankylosauria
Nodosauridae


Other

Material: Incomplete skull, rib fragments and 2 osteoderms.
References: Arbour, V. M., & Currie, P. J. (2015). Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs.

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