Ugliest Fossil Reptiles Pareiasaurs Roamed China Before Dinosaurs Emerged A new study found that pareiasaurs - the world's ugliest fossil reptiles - ruled the Earth long before the dinosaurs emerged. Findings suggested that these heavy-weight vegetarians traveled across the globe despite their awkward movement. by Katherine Derla
Science Prereptile That Lived 260 Million Years Ago Could Be The Earliest To Walk Upright On All Fours by Rhodi Lee