• Thumbnail for Hell Creek Formation
    The Hell Creek Formation is an intensively studied division of mostly Upper Cretaceous and some lower Paleocene rocks in North America, named for exposures...
    45 KB (4,521 words) - 18:02, 10 April 2024
  • Maastrichtian-Danian Hell Creek Formation. Insects from the groups Diptera, Zygoptera, and possibly Hemiphlebiidae have been unearthed in Hell Creek in amber. Fossils...
    155 KB (7,483 words) - 09:57, 15 May 2024
  • Thumbnail for Lance Formation
    faunas. The Lance Formation is Late Maastrichtian in age (Lancian land mammal age), and shares much fauna with the Hell Creek Formation of Montana and North...
    26 KB (1,287 words) - 12:08, 21 April 2024
  • southwestern North Dakota, United States. It is part of the heavily studied Hell Creek Formation, a geological region renowned for many significant fossil discoveries...
    29 KB (3,373 words) - 08:17, 7 May 2024
  • Thumbnail for Specimens of Tyrannosaurus
    the nickname given to a fossil about 11.78 m (38 ft) long found in Hell Creek Formation, South Dakota, close to Buffalo in 1987 by Stan Sacrison, who also...
    90 KB (9,304 words) - 01:19, 9 May 2024
  • Thumbnail for Cretaceous–Paleogene extinction event
    Maastrichtian-age Hell Creek Formation of Montana. Comparison with the older Judith River Formation (Montana) and Dinosaur Park Formation (Alberta), which...
    170 KB (18,652 words) - 04:32, 14 May 2024
  • Thumbnail for Acheroraptor
    Acheroraptor (category Hell Creek fauna)
    dromaeosaurid theropod dinosaur known from the latest Maastrichtian Hell Creek Formation of Montana, United States. It contains a single species, Acheroraptor...
    19 KB (1,674 words) - 17:42, 10 February 2024
  • Thumbnail for Dueling Dinosaurs
    Dueling Dinosaurs (category Hell Creek Formation)
    Montana Dueling Dinosaurs is a fossil specimen originating from the Hell Creek Formation of Montana. It consists of the fossilized skeletons of a tyrannosaur...
    7 KB (681 words) - 02:26, 9 May 2024
  • Potentially referrable to any of the ornithomimosaur taxa known from the Hell Creek Formation. Othnielia rex: Only known from an undiagnostic femur, but it may...
    139 KB (4,952 words) - 16:50, 30 March 2024
  • Thumbnail for Triceratops
    Triceratops (category Hell Creek fauna)
    Evanston Formation, Scollard Formation, Laramie Formation, Lance Formation, Denver Formation, and Hell Creek Formation. These fossil formations date back...
    95 KB (10,019 words) - 15:05, 10 May 2024
  • Thumbnail for Eoneophron
    Eoneophron (category Hell Creek fauna)
    genus of caenagnathid theropod dinosaur from the Late Cretaceous Hell Creek Formation of South Dakota, US. The genus contains a single species, E. infernalis...
    7 KB (568 words) - 22:30, 3 May 2024
  • cranial variation in the ceratopsid dinosaur 'Triceratops' from the Hell Creek Formation, Montana (PDF) (Thesis). Montana State University. pp. 1–544. "Transporting...
    125 KB (6,216 words) - 17:33, 29 April 2024
  • Thumbnail for Platytholus
    Platytholus (category Hell Creek fauna)
    pachycephalosaurid dinosaur from the Late Cretaceous (Maastrichtian) Hell Creek Formation of the United States. The genus contains a single species, P. clemensi...
    4 KB (203 words) - 01:57, 28 April 2024
  • Thumbnail for Pachycephalosaurus
    Pachycephalosaurus (category Hell Creek fauna)
     grangeri was based on AMNH 1696, a nearly complete skull from the Hell Creek Formation of Ekalaka, Carter County, Montana. P. reinheimeri was based on what...
    45 KB (4,312 words) - 10:34, 28 April 2024
  • youngest of dinosaur genera, much like the Hell Creek Formation in the United States. The Frenchman Formation consists of olive-green to brown, fine- to...
    9 KB (684 words) - 07:08, 12 May 2024
  • Thumbnail for Dakotaraptor
    Dakotaraptor (category Hell Creek fauna)
    Cretaceous period. The remains have been found in the Maastrichtian-aged Hell Creek Formation, dated to the very end of the Mesozoic era, making Dakotaraptor potentially...
    28 KB (3,132 words) - 04:44, 11 May 2024
  • Thumbnail for Tyrannosaurus
    Tyrannosaurus (category Hell Creek fauna)
    eastern Wyoming in 1900. Brown found another partial skeleton in the Hell Creek Formation in Montana in 1902, comprising approximately 34 fossilized bones...
    213 KB (23,450 words) - 11:48, 10 May 2024
  • Thumbnail for Quetzalcoatlus
    Quetzalcoatlus (category Ojo Alamo Formation)
    azhdarchid neck vertebra, discovered in 2002 from the Maastrichtian age Hell Creek Formation, may also belong to Quetzalcoatlus. The specimen, BMR P2002.2, was...
    34 KB (3,597 words) - 21:13, 14 April 2024
  • oviraptorosaur (Dinosauria: Theropoda) from the end-Maastrichtian Hell Creek Formation of North America". PLOS ONE. 19 (1). e0294901. Bibcode:2024PLoSO...
    116 KB (11,797 words) - 16:27, 15 May 2024
  • Thumbnail for Caenagnathidae
    Anzu wyliei - (Hell Creek Formation, North Dakota and South Dakota, United States) Apatoraptor pennatus - (Horseshoe Canyon Formation, Alberta) Beibeilong...
    19 KB (1,894 words) - 19:30, 29 February 2024
  • Thumbnail for Stan (dinosaur)
    inventory number BHI 3033, is a Tyrannosaurus rex fossil found in the Hell Creek Formation in South Dakota, just outside of Buffalo in 1987, and excavated in...
    20 KB (2,288 words) - 01:59, 24 April 2024
  • focuses upon accurately simulating the natural ecosystem of the Hell Creek Formation in an interactive format where players take control of a dinosaur...
    11 KB (974 words) - 03:52, 31 January 2024
  • Thumbnail for Ankylosaurus
    Ankylosaurus (category Hell Creek fauna)
    specimen of Ankylosaurus magniventris (AMNH 5895) in the Hell Creek Formation, near Gilbert Creek, Montana. The specimen (found by collector Peter Kaisen)...
    65 KB (7,680 words) - 08:38, 1 May 2024
  • Thumbnail for Jordan, Montana
    Jordan, Montana (category Hell Creek Formation)
    Jerry Kramer, NFL Hall of Fame guard and author; born here in 1936 Hell Creek Formation "ArcGIS REST Services Directory". United States Census Bureau. Retrieved...
    17 KB (1,274 words) - 17:35, 29 April 2024
  • "Frenchman Formation." Weishampel, et al. (2004). Pg. 578. "Hell Creek Formation." Weishampel, et al. (2004). Pg. 584-586. "Horseshoe Canyon Formation." Weishampel...
    31 KB (1,383 words) - 17:20, 12 April 2024
  • Thumbnail for Anzu wyliei
    Cretaceous (upper Maastrichtian stage, 67.2-66.0 Ma) in what is now the Hell Creek Formation. The type species and only species, Anzu wyliei is known from numerous...
    16 KB (1,821 words) - 19:38, 20 February 2024
  • Thumbnail for Thescelosaurus
    Thescelosaurus (category Hell Creek fauna)
    unidentified species of Thescelosaurus, from the late Maastrichtian-age Hell Creek Formation of Harding County, South Dakota, USA. He drew attention to its premaxillary...
    51 KB (5,348 words) - 06:14, 27 April 2024
  • orchid genus Stan (dinosaur), a Tyrannosaurus rex fossil found at the Hell Creek Formation, South Dakota, US ST segment, analysis in electrocardiography Stan...
    3 KB (438 words) - 05:48, 28 February 2024
  • Thumbnail for Sphaerotholus
    Sphaerotholus (category Hell Creek fauna)
    Member of the Kirtland Formation (Late Campanian) of San Juan County, New Mexico, USA; S. buchholtzae, from the Hell Creek Formation (Late Maastrichtian)...
    12 KB (1,145 words) - 23:46, 26 March 2024
  • Thumbnail for Champsosaurus
    the Hell Creek Formation of Montana. The other was C. laramiensis, named from AMNH 982, a nearly complete skeleton and skull, also found in the Hell Creek...
    27 KB (2,498 words) - 03:36, 2 May 2024