2. Truck Car Dinosaur

Dinosaurs & Prehistoric Animals

Dinosaur and other prehistoric animals' fossilized skeletons in museums: tyranosaurus rex, saber-tooth tiger, giant sloth, prehistoric horses, camels, rhinos, diplodicus, carnotaurus, archosaur, mastodon, allosaurus, stegosaurus, ankylosaur, dorudon, dolphin, brontops, comptosaurus, mamenchisaurus, dimetrodon, eryops, pteranodon, sea turtle protostega, hydrosaur, duckbilled
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Prehistoric skeleton photos: An archosaur, postosuchus kirkpatrickii, was a large meat-eating reptile member of thecodont group of the late triassic period, 235-208 million years ago, before the dinosaurs. Postosuchus walked on all fours but could walk on its hind legs for short intervals. This is a composite skeleton, constructed from castings of bones from several museums. Los Angeles County Museum of Natural History, Los Angeles, California, January 2006.
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Prehistoric skeleton photos: An archosaur, postosuchus kirkpatrickii, was a large meat-eating reptile member of thecodont group of the late triassic period, 235-208 million years ago, before the dinosaurs. Postosuchus walked on all fours but could walk on its hind legs for short intervals. This is a composite skeleton, constructed from castings of bones from several museums. Los Angeles County Museum of Natural History, Los Angeles, California, January 2006.

archosaurdinosaurpostosuchus kirkpatrickiimeateatingreptilepostosuchuslos angeles county museum of natural histlos angelescaliforniajanuary 20068653skeletonfossilprehistoricanimalmuseumnaturalsciencenatureprehistoric animalnatural sciencehistorynatural history

  • Kronosaurus queenslandicus, cretaceous period, Queensland, Australia. Kronosaurus was a pliosaur (short-necked plesiosaur) and largest of group. This skeleton, 42 ft long is most complete known, discovered in massive blocks of Cretaceous age limestone (135 million years old) in Queensland, Australia. Portions of skull, backbone, paddles had weathered away, but enough remained that missing pieces could be restored. Harvard Museum of Natural History, Cambridge, Massachusetts, June, 2007.
  • Saber-toothed cats/tigers (smilodon californicus) were abundant in North America during the Pleistocene period, starting 7 million years ago. Harvard Museum of Natural History, Cambridge, Massachusetts, June, 2007.
  • Dinosaur skeleton: Tyrannosaurus Rex was king of the dinosaurs, a meat eating dinosaur 65 million years ago in the American West. National Museum of Natural History, Washington DC, November 2006.
  • Dinosaurs, prehistoric animals: Stegosaurus stenops lived 120 million years ago, Late Jurassic. 3 - 5 ton plant eating dinosaur lived throughout western North America. Used hornhy beak to crop low-growing plants. Morrison Formation, Albany County, Wyoming. National Museum of Natural History, Washington, DC, November 2006.
  • Dinosaurs, prehistoric animals: Allosaurus fragilis, from Colorado, is a large meat eating dinosaur of the Late Jurassic period, about 150 million years ago. National Museum of Natural History, Washington, DC, November 2006.
  • Dinosaur/prehistoric animal skeleton: Moa, a large extinct flightless bird of New Zealand, is completely wingless. Height ranges from 3 to 6 ft. Extinct for last 700 years from hunting and from destruction of eggs. Exhibit Museum of Natural History, University of Michigan, Ann Arbor, July 2006.
  • Dinosaur skeleton: Pteranodon, Cretaceous Period, is one of the Pterosaurs, often called pterodactyls, which were flying reptiles of the Jurassic and Cretaceous Periods. They are considered related to dinosaurs and not to birds. Exhibit Museum of Natural History, University of Michigan, Ann Arbor, July 2006.
  • Dinosaur skeleton: Deinonychus antirrhopus was a dromaeosaur, meat eating, hunting dinosaurs that lived in the Cretaceous Period 145-65 million years ago. Exhibit Museum of Natural History, University of Michigan, Ann Arbor, July 2006.
  • Dinosaur, prehistoric skeleton: Casting of tail club from Ankylosaur, swung as club to protect itself from predators. Cretaceous Period, 120-65 million years ago. Exhibit Museum of Natural History, University of Michigan, Ann Arbor, August 2006.
  • Dinosaur skeleton photos: Full scale 13 ft wingspan reconstruction of pterodactyl accompanies skeleton of same, hanging in two-story space in main exhibit area. Exhibit Museum of Natural History, University of Michigan, Ann Arbor, February 2006.
  • Dinosaur skeleton photos: Carnotaurus was a large flesh eating dinosaurus in South <br /> America 70 million years ago. skeleton artists reconstruction Patagonia, Argentina. Los Angeles County Museum of Natural History
  • Prehistoric skeleton photos: An archosaur, postosuchus kirkpatrickii, was a large meat-eating reptile member of thecodont group of the late triassic period, 235-208 million years ago, before the dinosaurs. Postosuchus walked on all fours but could walk on its hind legs for short intervals. This is a composite skeleton, constructed from castings of bones from several museums. Los Angeles County Museum of Natural History, Los Angeles, California, January 2006.
  • Prehistoric skeleton photos: An archosaur, postosuchus kirkpatrickii, was a large meat-eating reptile member of thecodont group of the late triassic period, 235-208 million years ago, before the dinosaurs. Postosuchus walked on all fours but could walk on its hind legs for short intervals. This is a composite skeleton, constructed from castings of bones from several museums. Los Angeles County Museum of Natural History, Los Angeles, California, January 2006.
  • Prehistoric skeleton photos: An archosaur, postosuchus kirkpatrickii, was a large meat-eating reptile member of thecodont group of the late triassic period, 235-208 million years ago, before the dinosaurs. Postosuchus walked on all fours but could walk on its hind legs for short intervals. This is a composite skeleton, constructed from castings of bones from several museums. Los Angeles County Museum of Natural History, Los Angeles, California, January 2006.
  • Dynosaur skeleton: Skeleton of tyrannosaurus rex, a huge meat eating dynosaur of the Cretaceous period that grew over 40 feet long and 20 feet tall, with large sharp teeth and claws. Main entrance hall, Museum of Nature and Science, Denver, Colorado 2005.
  • Dynosaur skeleton: Skeleton of tyrannosaurus rex, a huge meat eating dynosaur of the Cretaceous period that grew over 40 feet long and 20 feet tall, with large sharp teeth and claws. Main entrance hall, Museum of Nature and Science, Denver, Colorado 2005.
  • Dinosaur skeleton photos: Edmontosaurus (known as Ed at the museum) is a hadrosaur/duckbilled dinosaur, a plant eater, that lived at the end of the Cretaceous Period, 66 million years ago. Exhibit Museum of Natural History, University of Michigan, Ann Arbor 2006.
  • Prehistoric animals: Mesonychids were meat eaters with hoofed feet that lived 63 to 33 million years ago. They are related to today's hoofed mammals, which differ by all being plant eaters. Exhibit Museum of Natural History, University of Michigan, Ann Arbor, 2006.
  • Prehistoric animal skeleton: Menoceras, as described in the exhibit caption, is a small, extinct species of rhinoceros that lived in western North America 21 million years ago. Exhibit Museum of Natural History, University of Michigan, Ann Arbor, 2006.
  • Dinosaur skeleton photos: Hypsilophodon foxii was lightly built and fast dinosaur of the Early Cretaceous period, 124-113 million years ago. Los Angeles County Museum of Natural History
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