Agustinia is a genus of sauropod dinosaur from the Early Cretaceous Period of South America. Like all known sauropods, it was quadrupedal and herbivorous. Although some sauropods are known to have body armor, Agustinia's armor was unique even among sauropods. It had a series of wide, vertical spikes and plates down the center of its back, somewhat like the unrelated Stegosaurus. Aside from the armor, very little is known about the anatomy of Agustinia. A fibula (lower leg bone) has been recover… (More on Agustinia)