Animantarx ( Name means "Living fortress " ) was a planteating dinosaur from North America of the cretaceous period. It was a nodosaurid, with spikes on it's shoulders and bony bumps on the back.
<a href="//commons.wikimedia.org/wiki/User:Conty" title="User:Conty">Conty</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>