Pirias
Pirias refers to a genus of small, herbivorous dinosaurs that lived during the Late Cretaceous period. These dinosaurs are known from fossil remains found in South America, primarily in Argentina. Pirias were ornithopods, a diverse group of bipedal or facultatively bipedal, plant-eating dinosaurs. Their relatively small size, estimated to be around 1 to 2 meters in length, suggests they likely occupied a niche as grazers or browsers, feeding on low-lying vegetation. The specific anatomical features of Pirias, such as the structure of their teeth and jaws, indicate adaptations for processing plant material. Fossil evidence for Pirias is not extensive, but the discoveries made have contributed to our understanding of the dinosaur fauna present in South America during the final stages of the Mesozoic Era. The classification of Pirias places it within the broader ornithischian clade, though its exact phylogenetic relationships within that group are still subject to ongoing scientific research and debate. The discovery of Pirias highlights the unique evolutionary pathways taken by dinosaurs in different parts of the world during the Cretaceous.