The Agustinia had upright spines along its back, just like the Agustinia from Schleich Dinosaurs.
The long, narrow spines of the Agustinia make it look so unique that it is impossible to mix up with any other dinosaur. It was also covered with unusual-looking ossified skin plates. As a harmless herbivore it probably needed the spines and plates to protect against other carnivorous dinosaurs. The Agustinia is also always ready to defend itself.
Fun fact: Only a single, incomplete fossil of Agustinia has been found.