• Thumbnail for Sphaerotholus
    the placement of the genus Sphaerotholus within the Pachycephalosauria. They recovered all proposed species of Sphaerotholus as a monophyletic group of...
    13 KB (1,290 words) - 23:15, 19 September 2024
  • Thumbnail for Pachycephalosaurus
    Wannanosaurus, Goyocephale, Stegoceras, Homalocephale, Tylocephale, Sphaerotholus, and Prenocephale. Within the tribe Pachycephalosaurini, Pachycephalosaurus...
    45 KB (4,496 words) - 00:49, 17 November 2024
  • Thumbnail for Prenocephale
    Sullivan considered Foraminacephale, "Prenocephale" edmontonensis, and Sphaerotholus goodwini to form a clade with the Asian taxon P. prenes. He considered...
    8 KB (671 words) - 17:36, 4 October 2024
  • Thumbnail for Pachycephalosauria
    †Goyocephale †Homalocephale †Platytholus †Prenocephale †Sinocephale †Sphaerotholus †Tylocephale †Pachycephalosaurini Sullivan, 2003 †Alaskacephale †Pachycephalosaurus...
    39 KB (3,750 words) - 20:04, 11 October 2024
  • Thumbnail for Platytholus
    Sphaerotholus edmontonensis Sphaerotholus goodwini Sphaerotholus buchholtzae Pachycephalosaurus Alaskacephale...
    4 KB (205 words) - 22:16, 22 August 2024
  • Thumbnail for Atrociraptor
    include the leptoceratopsid Montanoceratops, the pachycephalosaurid Sphaerotholus, the thescelosaurid Parksosaurus, and the alvarezsaurid Albertonykus...
    51 KB (5,628 words) - 20:40, 17 November 2024
  • Thumbnail for Triceratops
    derived pachycephalosaurids Stygimoloch, Dracorex, Pachycephalosaurus, Sphaerotholus, and an undescribed specimen from North Dakota. The first two might...
    98 KB (10,289 words) - 15:22, 22 November 2024
  • Thumbnail for Stegoceras
    considered a juvenile pachycephalosaur of uncertain species (though perhaps Sphaerotholus goodwini). In 2006, Sullivan and Spencer G. Lucas considered it a juvenile...
    84 KB (10,225 words) - 00:52, 17 November 2024
  • Thumbnail for Alaskacephale
    three-quarters the size of Prenocephale, and about the same size as Sphaerotholus and Foraminacephale. The latter measured 1.5 metres (4.9 ft) long and...
    19 KB (1,865 words) - 04:58, 23 August 2024
  • Thumbnail for Horseshoe Canyon Formation
    Sphaerotholus...
    38 KB (2,198 words) - 01:07, 17 November 2024
  • Thumbnail for Pentaceratops
    habitat include Parasaurolophus cyrtocristatus, the pachycephalosaur Sphaerotholus, the armored dinosaur Nodocephalosaurus and the tyrannosauroid Bistahieversor...
    22 KB (2,310 words) - 17:21, 25 October 2024
  • Thumbnail for Tyrannosaurus
    Ankylosaurus and Denversaurus, the pachycephalosaurs Pachycephalosaurus and Sphaerotholus, and the theropods Ornithomimus, Struthiomimus, Acheroraptor, Dakotaraptor...
    218 KB (24,104 words) - 00:34, 19 November 2024
  • Thumbnail for Homalocephale
    Sphaerotholus buchholtzae Sphaerotholus goodwini...
    8 KB (686 words) - 13:22, 25 October 2024
  • Thumbnail for Hell Creek Formation
    in the breakdown, but were relatively rare. Other dinosaurs, such as Sphaerotholus, Denversaurus, Torosaurus, Struthiomimus, Acheroraptor, Dakotaraptor...
    45 KB (4,490 words) - 19:56, 18 November 2024
  • Thumbnail for Goyocephale
    Sphaerotholus goodwini Sphaerotholus buchholtzae...
    9 KB (852 words) - 18:06, 22 August 2024
  • Thumbnail for Parasaurolophus
    Titanoceratops ouranos; and the pachycephalosaurs Stegoceras novomexicanum and Sphaerotholus goodwini. Saurischians include the tyrannosaurid Bistahieversor sealeyi;...
    64 KB (6,873 words) - 20:14, 21 November 2024
  • Thumbnail for Saurolophus
    Parksosaurus warreni, ankylosaurid Anodontosaurus lambei, pachycephalosaurid Sphaerotholus edmontonense, ornithomimids Dromiceiomimus brevitertius and an unnamed...
    34 KB (3,469 words) - 17:47, 20 November 2024
  • similar to the condition seen in Foraminacephale and some species of Sphaerotholus. Unlike other taxa sharing this condition, however, it is lacking in...
    18 KB (1,908 words) - 18:31, 18 September 2024
  • Thumbnail for Ornithischia
    Sphaerotholus goodwini Pachycephalosaurus wyomingensis (Pachycephalosaurini)...
    65 KB (5,973 words) - 08:33, 27 October 2024
  • Thumbnail for Foraminacephale
    base of the skull. Two traits also differentiate Foraminacephale from Sphaerotholus and Prenocephale: there are prominent grooves between the central lobe...
    14 KB (1,348 words) - 18:34, 22 August 2024
  • Thumbnail for Acrotholus
    Sphaerotholus buchholtzae Sphaerotholus goodwini...
    15 KB (1,709 words) - 23:28, 22 August 2024
  • Thumbnail for Pachyrhinosaurus
    of Struthiomimus, the bone-head pachycephalosaurids Stegoceras, and Sphaerotholus edmontonensis, the ornithopod Parksosaurus warreni, the hadrosaurids...
    31 KB (3,184 words) - 02:05, 3 October 2024
  • Thumbnail for Acheroraptor
    Hell Creek Formation. Among them are the derived pachycephalosaurids Sphaerotholus, Stygimoloch, Dracorex, Pachycephalosaurus, and an undescribed specimen...
    22 KB (1,761 words) - 23:55, 2 November 2024
  • Thumbnail for List of dinosaur genera
    Sonorasaurus Soriatitan Soumyasaurus – possibly non-dinosaurian Spectrovenator Sphaerotholus Sphenosaurus – subsequently found to be a non-dinosaurian reptile Sphenospondylus...
    145 KB (10,931 words) - 05:33, 21 November 2024
  • the pachycephalosaurs Pachycephalosaurus, Stygimoloch, Dracorex, and Sphaerotholus, the hadrosaurs Augustynolophus, Saurolophus and Edmontosaurus, the...
    140 KB (5,026 words) - 17:08, 22 October 2024
  • Thumbnail for Wannanosaurus
    Alaskacephale Amtocephale Foraminacephale Goyocephale Homalocephale Pachycephalosaurus Platytholus Prenocephale Sinocephale Sphaerotholus Tylocephale...
    5 KB (403 words) - 07:48, 28 July 2024
  • Nemegt Formation, Omnogovi Province, Mongolia †SphaerotholusSphaerotholus bucholtzae †Sphaerotholus edmontonensis 73–66 Ma, Campanian to Maastrichtian...
    114 KB (162 words) - 07:03, 27 October 2024
  • Thumbnail for Hanssuesia
    Alaskacephale Amtocephale Foraminacephale Goyocephale Homalocephale Pachycephalosaurus Platytholus Prenocephale Sinocephale Sphaerotholus Tylocephale...
    5 KB (529 words) - 23:04, 19 September 2024
  • Cretaceous Period of #Montana. On the bottom left is the dome of a young #Sphaerotholus (MOR 3040) & on the right is the dome of #Pachycephalosaurus (MOR 1100)...
    127 KB (6,330 words) - 07:52, 22 November 2024
  • in the breakdown, but were relatively rare. Other dinosaurs, such as Sphaerotholus, Denversaurus, Torosaurus, Struthiomimus, Acheroraptor, Dakotaraptor...
    156 KB (7,517 words) - 20:10, 18 November 2024