Ancient cousin of Triceratops highlights turnover among horned dinosaurs
Friday, May 31, 2013 - 06:00
in Paleontology & Archaeology
(Phys.org) —The earliest known cousin of Triceratops and Torosaurus—the best-known horned dinosaurs—has been identified based on fossils from north central Montana, further underscoring the diversity of large, plant-eating horned dinosaurs among the fauna of western North America 66 to 80 million years ago.