• Thumbnail for Koparion
    (Kimmeridgian stage), of Utah. It contains the single named species Koparion douglassi which is known only from a single isolated tooth. In 1993, Daniel...
    5 KB (639 words) - 18:20, 14 September 2024
  • Ornitholestes hermanni, Tanycolagreus topwilsoni, the possible troodontid Koparion douglassi, the definite troodontid Hesperornithoides, and the early tyrannosauroid...
    73 KB (3,609 words) - 18:03, 3 November 2024
  • Thumbnail for Hesperornithoides
    7717/peerj.7247. PMC 6626525. PMID 31333906. Chure, D. J. (1994). "Koparion douglassi, a new dinosaur from the Morrison Formation (Upper Jurassic) of Dinosaur...
    10 KB (1,063 words) - 18:21, 14 September 2024
  • Thumbnail for Timeline of troodontid research
    stopped growing. 1994 Daniel Chure described the new genus and species Koparion douglassi. This Late Jurassic taxon may be the oldest known troodontid, but...
    39 KB (3,492 words) - 14:12, 10 May 2024
  • amplissimus †Kallirhynchia †Kamerunoceras †Kayentapus †Koparion – type locality for genus †Koparion douglassi – type locality for species †Kosmoceratops – type...
    57 KB (2,206 words) - 10:55, 13 April 2024
  • †Kokopellia juddi – type locality for species †Koparion – type locality for genus †Koparion douglassi – type locality for species †Koreanaornis †Koreanaornis...
    76 KB (4,157 words) - 22:37, 19 August 2024
  • 1126/science.264.5160.828. PMID 17794724. S2CID 38933265. Chure, D.J. 1994. Koparion douglassi, a new dinosaur from the Morrison Formation (Upper Jurassic) of Dinosaur...
    62 KB (1,932 words) - 16:33, 13 September 2024