• Thumbnail for Akainacephalus
    Quarry of the Kaiparowits Formation. The type and only species, Akainacephalus johnsoni, is known from the most complete ankylosaur specimen ever discovered...
    37 KB (4,076 words) - 01:51, 29 April 2024
  • Thumbnail for Teratophoneus
    Hagryphus giganteus. Non-theropod dinosaurs included the ankylosaur Akainacephalus johnsoni, the hadrosaurs Parasaurolophus cyrtocristatus and Gryposaurus...
    18 KB (1,595 words) - 02:24, 3 September 2024
  • Thumbnail for Andrey Atuchin
    itilensis, described in 2017, and the 2018 ankylosaur dinosaur Akainacephalus johnsoni. Andrey won the Society of Vertebrate Paleontology's John J. Lanzendorf...
    3 KB (257 words) - 16:36, 27 September 2023
  • ; Irmis, R.B. (2018). "A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation...
    139 KB (4,953 words) - 22:39, 19 August 2024
  • Thumbnail for Kirtland Formation
    Randall B. Irmis (2018). "A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation...
    30 KB (1,428 words) - 22:30, 16 July 2024
  • Randall B. Irmis (2018). "A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation...
    44 KB (2,214 words) - 21:51, 29 July 2024
  • Thumbnail for Kosmoceratops
    Irmis, R. B. (2018). "A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation...
    73 KB (8,462 words) - 17:48, 30 June 2024
  • Thumbnail for Nasutoceratops
    Irmis, Randall B. (2018). "A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation...
    69 KB (7,938 words) - 17:50, 22 August 2024
  • Randall B. Irmis (2018). "A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation...
    133 KB (13,763 words) - 03:51, 19 August 2024
  • tyrannosaurids like Teratophoneus, armored ankylosaurids such as Akainacephalus johnsoni, the duckbilled hadrosaurs Parasaurolophus cyrtocristatus and Gryposaurus...
    8 KB (857 words) - 18:58, 18 January 2024