Ankylosauria Ankylosauridae Ankylosaurinae Ankylosaurini Dinosauria Eurypoda Genasauria Late Cretaceous North America Ornithischia Thyreophora

Ankylosaurus magniventris

Dinosaur: Ankylosaurus magniventris

Cretaceous: 72.1–66 Ma

Type: Ankylosaur

*Length:**	8 m	26.2 ft
*Weight:**	6 tons	13,228 lb

ESR: 3.5 / 4 (estimated size reliability)
*The largest known specimen

Area: North America

Period

Epoch: Late Cretaceous
Stage: Maastrichtian
Years: 72.1–66 Ma

Details

Status: valid
Author: Brown
Year: 1908

Distribution

Area: North America
Country: USA, Canada
Region: Montana, Alberta, Wyoming, Saskatchewan
Formation: Hell Creek, Scollard, Lance, Frenchman, Ferris

Classification

Dinosauria
Ornithischia
Genasauria
Thyreophora
Eurypoda
Ankylosauria
Ankylosauridae
Ankylosaurinae
Ankylosaurini

Sources

Material: At least eight individuals and teeth.
References: Arbour, V.M.; Mallon, J.C. (2017). "Unusual cranial and postcranial anatomy in the archetypal ankylosaur Ankylosaurus magniventris".

Locations

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