• Thumbnail for Hesperosaurus
    of Hesperosaurus have been found in the state of Wyoming and Montana in the United States of America since 1985. The type species Hesperosaurus mjosi was...
    24 KB (2,867 words) - 12:08, 14 October 2024
  • Thumbnail for Stegosauria
    Lourinhã Formation in Portugal and a number of relatively complete Hesperosaurus skeletons having been excavated in Wyoming. Apart from the fossils per...
    64 KB (7,379 words) - 10:42, 11 January 2025
  • Thumbnail for Wuerhosaurus
    stegosaurians, being closely related to either Dacentrurus and Hesperosaurus, or Hesperosaurus and Stegosaurus, depending on phylogenetic analysis. Carpenter...
    15 KB (1,503 words) - 05:00, 1 December 2024
  • Thumbnail for Stegosaurus
    consider the species to be in its own genus. Stegosaurus mjosi was described as Hesperosaurus mjosi by Carpenter et al in 2001 based on a partial skull and...
    101 KB (12,175 words) - 21:42, 7 January 2025
  • found to be a heterodontosaurid. Plate-backed stegosaurids included Hesperosaurus mjosi, Stegosaurus ungulatus, S. stenops, and Alcovasaurus longispinus...
    73 KB (3,632 words) - 10:16, 3 January 2025
  • Thumbnail for Haplocanthosaurus
    found in the very lowest layer of the Morrison Formation, along with Hesperosaurus mjosi, Brontosaurus yahnahpin, and Allosaurus jimmadseni. There are four...
    14 KB (1,402 words) - 06:42, 3 January 2025
  • Thumbnail for Miragaia longicollum
    basal stegosaurian Huayangosaurus. Later forms like Stegosaurus or Hesperosaurus had twelve or thirteen. Remarkably Miragaia had more neck vertebrae...
    21 KB (2,298 words) - 21:51, 5 December 2024
  • Thumbnail for Sexual dimorphism
    in the fossil record. Stegosaurians A 2015 study on specimens of Hesperosaurus mjosi found evidence of sexual dimorphism in the shape of the dermal plates...
    107 KB (12,542 words) - 02:21, 29 December 2024
  • been preserved in the fossil record. A 2015 study on specimens of Hesperosaurus mjosi found evidence of sexual dimorphism in the shape of the dermal plates...
    8 KB (828 words) - 09:56, 27 March 2024
  • Thumbnail for Paranthodon
    premaxilla is preserved. Like in Huayangosaurus but not Stegosaurus or Hesperosaurus, the nasal fenestra faces anterolaterally, being visible from the front...
    33 KB (3,263 words) - 12:06, 14 October 2024
  • Thumbnail for Timeline of stegosaur research
    Clifford Miles, and Karen Cloward described the new genus and species Hesperosaurus mjosi. Neil Donald Lewis Clark reported the discovery of near ends of a...
    48 KB (4,353 words) - 00:00, 11 January 2025
  • Thumbnail for Apatosaurinae
    John R. (2018-01-02). "A new specimen of the ornithischian dinosaur Hesperosaurus mjosi from the Upper Jurassic Morrison Formation of Montana, U.S.A., and...
    89 KB (9,834 words) - 17:22, 3 December 2024
  • tumor. New specimen of Hesperosaurus mjosi, providing new information on the anatomy of the species and indicating that H. mjosi might have been a smaller...
    134 KB (13,769 words) - 06:07, 6 January 2025
  • Thumbnail for List of thyreophoran type specimens
    classified as a pachycephalosaur, it is now presumed to be an ankylosaur Hesperosaurus mjosi HMNS 14 Hayashibara Museum of Natural Science Early Kimmeridgian...
    167 KB (9,895 words) - 03:18, 7 January 2025
  • †Heptasuchus clarki – type locality for species †Hesperosaurus – type locality for genus †Hesperosaurus mjosi – type locality for species †Heteroceras †Hoploscaphites...
    98 KB (3,870 words) - 20:37, 24 November 2024
  • †Hesperornithoides miessleri – type locality for species †Hesperosaurus – type locality for genus †Hesperosaurus mjosi – type locality for species †Heteroceras †Heteroceras...
    103 KB (5,299 words) - 07:55, 18 November 2024
  • Amphicoelias. Three genera of stegosaurs, Alcovasaurus, Stegosaurus and Hesperosaurus, have been found there. Finally, ornithopods found in the Morrison include...
    145 KB (5,256 words) - 10:56, 11 January 2025