Predators would have had to flip the squat, four-legged animal over, exposing its unprotected underbelly, to find a weak spot. Ankylosaurus's distinctive plates did more than deflect blows—they could ...

Often compared to an army tank or bus, Ankylosaurus was a heavily armored dinosaur with a large club-like protrusion at the end of its tail. Ankylosaurus means "fused lizard" in Greek, and it was ...

Ankylosaurus magniventris was the prehistoric tank of the late Cretaceous period, some 70 million to 66 million years ago. This enormous four-legged dinosaur had a squat body covered with bony plates ...