Edmontonia
Edmontonia is a herbivorous ankylosuarian first discovered in the Edmonton Formation of Alberta, Canada in 1924, and its body, neck, and skull are covered with thick bony plates. The so-called armored dinosaurs are divided into two distinctive types: Ankylosauridae, which has a triangular, wide, short skulls and a large tail clubs, and Nodosauridae, which has a relatively elongated skulls with no tail club (Carpenter 1997, Vickaryous et al. 2004).
Edmontonia is the largest of the nodosaurids (up to 7 meters in body length), and has three bands of bony spine armor plates on its neck and shoulders. Some of the armor plates in the neck are fused to the vertebrae, making it difficult to bend the neck (Glut 1997, Lambert et al. 2001).
This armor dinosaur, found mainly in the Late Cretaceous of Alberta, Canada and Texas, USA is among the largest nodosaurids, with a maximum length of 7 meters, about 3.9 tons.
Tooth of Edmontonia
Sparsely spaced teeth in the form of wrinkled leaves are roughly arranged on both sides of the jaws.