Outline: a typical ankylosaur

Menefee Fm., New MexicoNamed 2018

Invictarx

"unconquerable fortress"

Lived
84 to 72 million years ago, Late Cretaceous
Diet
Herbivore
Group
Ankylosaurs, Nodosauridae
Found in
United States
Named by
McDonald and Wolfe 2018

Where its fossils were found

The evidence

Today

1 find

80 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Invictarx

What it was like

Invictarx was a nodosaur, an armored plant eater without a tail club. It is known from pieces of its armor, which show a pattern of plates unlike those of its relatives.

Its world

It lived in the Late Cretaceous in what is now New Mexico. Its bones come from the Menefee Formation, a warm, swampy land shared with the tyrannosaur Dynamoterror and the horned Menefeeceratops.

How it was found

McDonald and Wolfe named it in 2018 from one find.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Nodosauridae

Sources: WikidataNamed in: A. T. McDonald and D. G. Wolfe. 2018. A new nodosaurid ankylosaur (Dinosauria: Thyreophora) from the Upper Cretaceous Menefee Formation of New Mexico. PeerJ 6(e5435)