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meaning: "Living citadel"
Named By: K. Carpenter, J. I. Kirkland, D. L. Burge & J. Bird in 1999
Time Period: 104.46-98.37 Ma
Location: USA, Utah - Cedar Mountain Formation, Messentuchit Member
Size: Skull about 25 centimetres long. Body length uncertain due to lack of remains, but comparison to other nodosaurs suggests up to about 3 meters for the total body length
Diet: Herbivore
Fossil(s): Lower jaw, back of the skull and some cervical (neck) and dorsal (back) vertebrae
Classification: | Chordata | Reptilia | Dinosauria | Ornithischia | Thyreophora | Ankylosauria | Nodosauridae |

Animantarx ( an-i-MAN-tarks; "living citadel") is a genus of nodosaurid ankylosaurian dinosaur from the Upper Cretaceous of western North America. Like other nodosaurs, it would have been a slow-moving quadrupedal herbivore covered in heavy armor scutes, but without a tail club. The skull measures approximately 25 cm (10 inches) in length, suggesting the animal as a whole was no more than 3 meters (10 feet) long.

Read more about Animantarx at Wikipedia
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