• Thumbnail for Koparion
    Koparion is a genus of small coelurosaurian theropod dinosaur, from the late Jurassic Period (Kimmeridgian stage), of Utah. It contains the single named...
    5 KB (639 words) - 18:52, 18 January 2024
  • Thumbnail for Troodontidae
    Hesperornithoides from the Late Jurassic of Wyoming. The slightly older Koparion of Utah is only represented by a single tooth, and small maniraptoran teeth...
    35 KB (3,174 words) - 03:42, 5 August 2024
  • Thumbnail for Stenonychosaurus
    Archaeornithoides? Geminiraptor Harenadraco Hesperornithoides Jianianhualong Koparion? Liaoningvenator Papiliovenator Paronychodon? Polyodontosaurus? Sinornithoides...
    26 KB (3,230 words) - 17:55, 17 June 2024
  • Thumbnail for Troodon
    Archaeornithoides? Geminiraptor Harenadraco Hesperornithoides Jianianhualong Koparion? Liaoningvenator Papiliovenator Paronychodon? Polyodontosaurus? Sinornithoides...
    28 KB (3,210 words) - 17:18, 21 August 2024
  • Ornitholestes hermanni, Tanycolagreus topwilsoni, the possible troodontid Koparion douglassi, the definite troodontid Hesperornithoides, and the early tyrannosauroid...
    72 KB (3,566 words) - 01:19, 19 June 2024
  • Thumbnail for Hesperornithoides
    period. Although several Troodontid teeth were found, with the troodontid Koparion named in 1994, a well preserved skeleton wasn't found until in 2001, a...
    10 KB (1,063 words) - 11:41, 12 February 2024
  • Thumbnail for Brachiosaurus
    dinosaurs known from the Morrison Formation include the predatory theropods Koparion, Stokesosaurus, Ornitholestes, Ceratosaurus, Allosaurus, Torvosaurus and...
    118 KB (14,272 words) - 16:23, 16 August 2024
  • Thumbnail for Torvosaurus
    Camptosaurus and Dryosaurus, and the theropods Allosaurus, Tanycolagreus, Koparion, Stokesosaurus, Ceratosaurus, and Ornitholestes, as well as Othnielosaurus...
    53 KB (5,976 words) - 07:41, 13 August 2024
  • Thumbnail for Diplodocus
    Dinosaurs known from the Morrison include the theropods Ceratosaurus, Koparion, Stokesosaurus, Ornitholestes, Allosaurus and Torvosaurus, the sauropods...
    89 KB (10,063 words) - 00:52, 28 August 2024
  • Thumbnail for Harenadraco
    Archaeornithoides? Geminiraptor Harenadraco Hesperornithoides Jianianhualong Koparion? Liaoningvenator Papiliovenator Paronychodon? Polyodontosaurus? Sinornithoides...
    14 KB (1,204 words) - 10:01, 16 July 2024