Ankylosauria
Animantarx: a nodosaur
Euoplocephalus, an ankylosaur
Ankylosaurs were armoured dinosaurs of the suborder Thyreophora. They include two distinct groups:
- Ankylosauria
- Ankylosauridae: armoured from their head to their club-ended tail.
- Nodosauridae: no tail club but spikes and bony bumps on body.
