Fossils - Grand Canyon National Park (U.S. National Park Service)

Amy Atwater on Instagram: "Glyptodonts are some of my favorite extinct mammals, these babies are closely related to armadillos and it shows! Except glyptodonts could get much bigger, some were the size of a Volkswagen Beetle. ⁣ ⁣ These bizarre mammals lived in North and South America from about 20 million to 10,000 years ago. Glyptodonts were covered from head to tail in a thick, tough bony shell that functioned as armor and gave them a turtle-like appearance. Their tails were also armored and c