• Thumbnail for Ceratopsia
    Ceratopsia or Ceratopia (/ˌsɛrəˈtɒpsiə/ or /ˌsɛrəˈtoʊpiə/; Greek: "horned faces") is a group of herbivorous, beaked dinosaurs that thrived in what are...
    32 KB (2,962 words) - 13:50, 3 September 2024
  • Thumbnail for Chaoyangsaurus
    between 150.8 and 145.5 million years ago. Chaoyangsaurus belonged to the Ceratopsia (Greek for "horned faces"). Chaoyangsaurus, like all ceratopsians, was...
    8 KB (940 words) - 22:28, 22 August 2024
  • Thumbnail for Achelousaurus
    animals butting each other's heads, as well as for display. Within the Ceratopsia, Achelousaurus lies within the clade Pachyrostra (or "thick-snouts")....
    79 KB (9,604 words) - 22:31, 22 August 2024
  • Thumbnail for Neornithischia
    Marginocephalia and Ornithopoda. The former includes clades Pachycephalosauria and Ceratopsia, while the latter typically includes Hypsilophodon and the more derived...
    13 KB (818 words) - 03:24, 5 August 2024
  • Thumbnail for Triceratops
    Press. ISBN 978-0-691-02882-8. Lull, R. S. (1933). "A revision of the Ceratopsia or horned dinosaurs". Memoirs of the Peabody Museum of Natural History...
    95 KB (9,998 words) - 06:05, 15 September 2024
  • Thumbnail for Chasmosaurus
    skin impression samples. Chasmosaurus was in 1915 by Lambe within the Ceratopsia assigned to the Chasmosaurinae. The Chasmosaurinae usually have long frills...
    29 KB (3,378 words) - 16:58, 14 July 2024
  • Thumbnail for Marginocephalia
    Marginocephalia: the thick-skulled Pachycephalosauria and the horned Ceratopsia. All members of Marginocephalia were primarily herbivores (though pachycephalosaurs...
    25 KB (2,699 words) - 19:29, 13 August 2024
  • Thumbnail for Psittacosaurus
    (2010) proposed that the best assignment for the type material may be Ceratopsia incertae sedis. P. neimongoliensis and P. ordosensis? Two new species...
    93 KB (10,842 words) - 06:42, 30 August 2024
  • Thumbnail for Pachyrhinosaurus
    "New dinosaur from southern Alberta, representing a new family of the Ceratopsia". Geological Society of America Bulletin. 58: 1230. doi:10...
    31 KB (3,184 words) - 23:43, 9 September 2024
  • Thumbnail for Pentaceratops
    thigh bone bows outwards. Osborn originally assigned Pentaceratops to Ceratopsia. Within this group Pentaceratops belonged to the Ceratopsinae or Chasmosaurinae...
    22 KB (2,310 words) - 01:22, 19 August 2024