• Thumbnail for Hesperornis
    million years ago). It is the only species of Hesperornis for which a nearly complete skull is known. Hesperornis crassipes was named in 1876 by Marsh, who...
    27 KB (3,114 words) - 17:55, 8 August 2024
  • Thumbnail for Hesperornithes
    freshwater habitats in the Northern Hemisphere, and include genera such as Hesperornis, Parahesperornis, Baptornis, Enaliornis, and Potamornis, all strong-swimming...
    13 KB (1,279 words) - 04:51, 19 March 2024
  • Thumbnail for Ornithurae
    is a natural group which includes the common ancestor of Ichthyornis, Hesperornis, and all modern birds as well as all other descendants of that common...
    7 KB (519 words) - 11:48, 26 May 2024
  • pleurodonty). It is known from several aquatic amniotes: ichthyosaurs, Hesperornis, Ichthyornis, juvenile caimans, some cetaceans and even some ctenochasmatoid...
    1 KB (124 words) - 08:58, 5 August 2024
  • Thumbnail for Parahesperornis
    and far between, at least compared with its contemporary relatives in Hesperornis. Remains are known from central North America, namely the former shallows...
    5 KB (446 words) - 22:31, 16 January 2024
  • Domyoji Death Note — Raye Penber, Anthony Rester Dinosaur Train — Jess the Hesperornis, Reggie the Raptorex Dragon Drive — Hikaru Himuro Dynasty Warriors: Gundam...
    8 KB (578 words) - 10:39, 13 July 2024
  • Thumbnail for Western Interior Seaway
    radiolarians. The seaway was home to early birds, including the flightless Hesperornis that had stout legs for swimming through water and tiny wings used for...
    16 KB (1,768 words) - 19:23, 7 June 2024
  • birds. Using the then newly discovered fossils of Archaeopteryx and Hesperornis, Thomas Henry Huxley pronounced that they had evolved from dinosaurs...
    69 KB (6,803 words) - 09:36, 6 August 2024
  • Thumbnail for Ichthyornis
    noted the rare and unique quality of these toothed birds (including Hesperornis, which was found to also have teeth by 1877), and the irony of their...
    22 KB (2,612 words) - 17:57, 8 August 2024
  • Thumbnail for Crown group
    In addition to non-crown group primitive birds like Archaeopteryx, Hesperornis and Confuciusornis, therefore, pan-group birds would include all dinosaurs...
    24 KB (2,760 words) - 04:00, 27 July 2024