>>512
Both are heavily armoured grass munchers. Stegosaurus spiked tail could inflict horrific damage, but ankylosaurus has a more robust build and better movement albeit slow. Its huge tail club could crush the stegosaurus plate armour. Ultimately, the ankylosaurus slow speed will be its downfall. Stegosaurus will whip it to death from the outside or get its herd buddies to join in.

>>514
SAS vs [s4s]