a-dinosaur-a-day: Gorgosaurus (GORE-go-SORE-us) where: Floodplains of North America when: Late Cretaceous Period, about 75 million years ago who: First described by Canadian geologist and paleontologist Lawrence Lambe what: The Gorgosaurus is a large
a-dinosaur-a-day: Gorgosaurus (GORE-go-SORE-us) where: Floodplains of North America when: Late Cretaceous Period, about 75 million years ago who: First described by Canadian geologist and paleontologist Lawrence Lambe what: The Gorgosaurus is a large