Pachycephalosaurus
Videos
Pachycephalosaurus is a genus of pachycephalosaurid ornithischian dinosaur. The type species, P. wyomingensis, is the only known definitive species. It was among the last species of non-avian dinosaur
Pachycephalosaurus wyomingensis ROM
Holotype of P. wyomingensis
Skull of AMNH FARB 1696
Illustration of Pachycephalosaurus wyomingensis
Edmontosaurus
Videos
Edmontosaurus, often colloquially and historically known as Anatosaurus or Anatotitan, is a genus of hadrosaurid dinosaur. It contains two known species: Edmontosaurus regalis and Edmontosaurus annect
Pachycephalosaurus
…additional pachycephalosaur species of the genera Sphaerotholus. Other dinosaurs that shared its time and place include Thescelosaurus, the hadrosaurid Edmontosaurus and possibly Parasaurolophus, ceratopsians like Triceratops, Torosaurus, Nedoceratops, Tatankaceratops, and Leptoceratops, the ankylosaurid Ankylosaurus…
Skeletal restoration of the E. annectens (then Claosaurus) holotype, by Othniel Charles Marsh
E. annectens paratype YPM 2182 at the Yale University Museum, the first nearly complete dinosaur skeleton mounted in the United States.
AMNH 5060: an E. annectens with skin impressions
Specimen CMNFV 8399, holotype of E. edmontoni, now thought to be a young E. regalis.