Amtosaurus: quick facts
As only a braincase has been found, it may not be an ankylosaur. If it is an ankylosaur, Amtosaurus was covered with bony armor plates.
Period
Late Cretaceous
Diet
Herbivore
Length
23 feet (7 meters)
Family
Ankylosauridae
Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.