Environment and Habitat
This is an illustration of the Cretaceous about 75 Ma years ago of what today would be called Alberta. An Euoplocephalus uses its bony club to fend off an Albertosaurus on a dry river bed. Note the plush vegetation in the backgraound.
This is an illustration of the Cretaceous about 106 Ma years ago depicting the nodosaur Sauropelta defending its self from the predator Deinonychus.