Toxodon, a member of the Toxodontidae family, roamed South America during the late Pliocene and Pleistocene epochs from about 2.6 million to 16,500 years ago. This extinct mammal 2.7 meters (8.9 ft) in length and roughly 1.5 meters (4.9 ft) tall resembles two modern-day animals. The Toxodon's broad flat head, well-developed snout and lake habitat remind us of the hippopotamus. Its body, on the other hand, was shaped much like a rhinoceros. Toxodon had short stout legs, three functional toes and a broad muscled back. The Toxodon was an herbivore that grazed and browsed. Paleontologists think the Toxodon was the most common large hoofed mammal of its time. Charles Darwin was the first to find a Toxodon fossil. Many Toxodon fossils have been found near arrowheads suggesting a prehistoric people inhabited the same area as this large dinosaur.