AnkylosauriaDinosauriaEarly CretaceousEurypodaGenasauriaNodosauridaeNorth AmericaOrnithischiaThyreophora

Tatankacephalus cooneyorum 

Dinosaur: Tatankacephalus cooneyorum 


Type: Ankylosaur

Length*: 3.9 m 12.8 ft
Weight*: 450 kg 992 lb
*The largest known specimen

ESR: 2 / 4 (estimated size reliability)

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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