Amtosaurus
Order: Ornithischia · Suborder: Thyreophora · Infraorder: Ankylosauria · Family: Ankylosauridae (family not firmly confirmed)
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.
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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.
Frequently asked questions
What does Amtosaurus mean?
The name Amtosaurus means “Amtgay (Mongolia) Lizard”. It is pronounced AM-toe-SAWR-us.
When did Amtosaurus live?
Amtosaurus lived during the Late Cretaceous.
Was Amtosaurus a carnivore or a herbivore?
Amtosaurus was a herbivore.
How big was Amtosaurus?
Amtosaurus was about 23 feet (7 meters) long.
Related dinosaurs
Other dinosaurs from the Ankylosauridae family.
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