AnkylosauriaAnkylosauridaeAnkylosaurinaeAnkylosauriniDinosauriaEurypodaGenasauriaLate CretaceousNorth AmericaOrnithischiaThyreophora

Akainacephalus johnsoni

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Dinosaur: Akainacephalus johnsoni

Cretaceous: 83.6–72.1 Ma
Type: Ankylosaur

Length*:3.8 m12.5 ft
Weight*:500 kg1,102 lb
ESR: 3.5 / 4 (estimated size reliability)
*The largest known specimen


Period

Epoch: Late Cretaceous
Stage: Late Campanian
Years: 83.6–72.1 Ma

Details

Status: valid
Author: Wiersma & Irmis
Year: 2018

Distribution

Area: North America
Country: USA
Region: Utah
Formation: Kaiparowits


Locations


Sources

Material: Partial skeleton comprising a complete skull.
References: Wiersma, J.P & Irmis, R.B. (2018) A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation of southern Utah, USA.

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