- Name Meaning: “Fused lizard”
- Habitat: Western North America
- Length: 30 ft10m
- Weight: 6 tons6,000 kg
- Stance: Quadruped
- Diet: Ferns and other low-growing vegetation
- Age: Late Cretaceous, 68-66 million years ago
Paleontologists have called Ankylosaurus a “living tank.” It’s easy to see why. This herbivorous dinosaur is well protected with spiky armor from the fused bones of its skull down to the rounded club at the end of its tail.
Fossil imagery courtesy of Natural History Museum of Los Angeles County.
Did you know?
Their armor is covered with a layer of keratin—exactly the stuff your fingernails are made out of.