These Long-Lost Look-Alikes Served as Evolutionary Models for Dinosaurs | Science
Many of the reptiles that thrived during the Triassic were crocodile relatives that dinosaurs would later mimic through evolutionary happenstance, such as Postosuchus (back) and Desmatosuchus (front). <img src=”https://www.smithsonianmag.com/photocontest/detail/natural-world/evolutionnumber9-1/” alt=”Postosuchus” /> Had a volcano-driven mass extinction not occurred at the end of the Triassic 201 million years ago, we likely would have had something closer …