Period: Late Cretaceous Order, Suborder, Family: Ornithischia, Ornithopoda, Hadrosauridae Location: North America (United States) Length: 30 feet (9 meters) Since it was named in 1979 by John Horner and Robert Makela, Maiasaura has become one of the most famous dinosaurs. It has provided information about how it cared for its young and the early development of dinosaurs. The name Maiasaura […]