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)


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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