The mammalian ancestor looked like a chubby lizard with a small head and had a hippopotamus-like lifestyle
An animal that lived before the dinosaurs looked like a round lizard with a very small head and had a semi-aquatic lifestyle similar to that of a hippopotamus, according to fossils recently discovered in France. The amphibian animal, which represents a previously unknown genus and species of mammal ancestor, was about 12 feet (4 meters) …