Ankylosaurus means "fused lizard" in Greek, and it was given that name because bones in its skull and other parts of its body were fused, making the dinosaur extremely rugged. Ankylosaurus lived ...

It’s lucky for the Pawpawsaurus that it was separated from its more famous cousin, the Ankylosaurus ... was about 30 percent the length of its skull, about equal to modern crocodiles.