• Thumbnail for Dockum Group
    The Dockum is a Late Triassic (approximately late Carnian through Rhaetian, or 223–200 Ma) geologic group found primarily on the Llano Estacado of western...
    12 KB (1,001 words) - 05:08, 2 October 2024
  • Thumbnail for Postosuchus
    The Palynology of the Triassic Dockum Group of Texas, and its application to Stratigraphic problems of the Dockum Group (Ph.D. thesis). Pennsylvania State...
    26 KB (3,041 words) - 17:17, 8 April 2024
  • Formation (SW USA) Cow Branch Formation (North Carolina and Virginia, USA) Dockum Group (Carnian – Norian)* (SW USA) Dolomia di Forni (Italy) Fleming Fjord Formation*...
    9 KB (810 words) - 01:55, 2 November 2024
  • Thumbnail for Chinle Formation
    of a geological group, the Chinle Group. Some authors have controversially considered the Chinle to be synonymous to the Dockum Group of eastern Colorado...
    48 KB (4,789 words) - 18:05, 23 May 2024
  • of the Dockum Group, they could not have been reworked into the Dockum sediments as inclusions. The inferred palaeoclimate of the Dockum Group would have...
    46 KB (5,683 words) - 04:35, 3 September 2024
  • Thumbnail for Aetosaur
    continents, and fossils are particularly common in the Chinle Formation and Dockum Group of the southwestern United States. Most fossils have been found in Arizona...
    94 KB (9,534 words) - 12:48, 11 October 2024
  • Texas Panhandle. It is one of several formations encompassed by the Dockum Group. The Bull Canyon Formation preserves reptile fossils of the Revueltian...
    42 KB (2,951 words) - 17:48, 1 September 2024
  • from the Late Triassic (middle Norian) middle Cooper Canyon Formation, Dockum Group, Texas, USA, and its implications on our understanding of the morphological...
    255 KB (25,769 words) - 14:30, 4 November 2024
  • Thumbnail for Herrerasaurus
    Poposaurus (now considered a pseudosuchian) and the unnamed theropod from the Dockum Group of Texas (now assigned to the rauisuchian Postosuchus). In 1985, Charig...
    57 KB (6,233 words) - 13:17, 3 November 2024
  • Phytosaurs (Φυτόσαυροι in Greek, meaning 'plant lizard') are an extinct group of large, mostly semiaquatic Late Triassic archosauriform reptiles. Phytosaurs...
    41 KB (4,109 words) - 06:46, 20 October 2024
  • from fragmentary saurischian fossils unearthed from the Upper Triassic Dockum Group of Texas. Later in the Triassic period, dinosaurs left more recognizable...
    140 KB (5,026 words) - 17:08, 22 October 2024
  • Thumbnail for Unconformity
    Praia do Telheiro, Portugal Angular unconformity between the underlying Dockum Group and the overlying Exeter Sandstone at Steamboat Butte in the valley of...
    9 KB (904 words) - 00:56, 24 June 2024
  • Triassic of the United States. It lived in the Otis Chalk localities of the Dockum Group in Texas, around 223 million years ago. It was first described in 2015...
    3 KB (233 words) - 10:49, 28 July 2023
  • Mexico. It is one of several formations encompassed by the Late Triassic Dockum Group. The lower unit of the Cooper Canyon Formation in Garza County to the...
    5 KB (399 words) - 12:10, 20 April 2024
  • Thumbnail for Carnian
    Formation (Argentina) Denmark Hill Insect Bed (Queensland, Australia) Dockum Group (Carnian - Norian)* (SW USA) “Isalo II” (late Ladinian – early Carnian)*...
    17 KB (1,809 words) - 12:33, 8 August 2023
  • Thumbnail for Brachysuchus
    of phytosaur known from the late Triassic period (Carnian stage) of Dockum Group in Texas, United States. It is known from the holotype UMMP 10336 is...
    6 KB (685 words) - 02:47, 31 August 2024
  • Norian age in Texas. It is one of several formations encompassed by the Dockum Group. The type area of the formation is situated in Garza County, Texas, southeast...
    30 KB (1,322 words) - 22:22, 26 August 2024
  • Thumbnail for Palo Duro Canyon
    slopes of the Tecovas Shale above. The Tecovas Formation is a part of the Dockum Group with the Trujillo Formation. This multicolored Triassic unit consists...
    24 KB (2,664 words) - 16:17, 19 September 2024
  • Thumbnail for Buettnererpeton
    an extinct genus of large temnospondyls known from the Late Triassic Dockum Group in Texas. The type species, B. bakeri, was long classified as part of...
    2 KB (81 words) - 21:42, 14 April 2024
  • Thumbnail for Typothorax
    well as in New Mexico and Texas in the Bull Canyon Formation of the Dockum Group. Like all aetosaurs and many other early crurotarsans, Typothorax had...
    11 KB (1,351 words) - 21:22, 5 March 2024
  • Thumbnail for Shuvosaurus
    Quarry (a.k.a. the Miller Quarry) of the lower Cooper Canyon Formation (Dockum Group) near Post, Garza County, Texas, US, and was one of many new discoveries...
    24 KB (2,679 words) - 02:44, 5 August 2024
  • Thumbnail for Eodromaeus
    North America: A new neotheropod from the base of the Upper Triassic Dockum Group of Texas" (PDF). Acta Palaeontologica Polonica. 60. doi:10.4202/app.00143...
    23 KB (2,114 words) - 11:55, 12 August 2024
  • 1980s from the Post Quarry in the Late Triassic Cooper Canyon Formation (Dockum Group) of West Texas. The material includes the large rauisuchian Postosuchus...
    9 KB (761 words) - 19:17, 6 July 2024
  • Thumbnail for Rauisuchia
    Rauisuchia (category Paraphyletic groups)
    paraphyletic group of mostly large and carnivorous Triassic archosaurs. Rauisuchians are a category of archosaurs within a larger group called Pseudosuchia...
    41 KB (2,531 words) - 09:06, 29 August 2024
  • Thumbnail for Stagonolepis
    originally named Calyptosuchus, a stagonolepidid from the Late Triassic Dockum Group of the United States, which was considered to be a species of Stagonolepis...
    8 KB (799 words) - 18:51, 14 August 2024
  • specimen of Caseosaurus was discovered in the Tecovas Formation of the Dockum Group in Texas, within sediments deposited during the Norian stage of the Late...
    6 KB (621 words) - 02:32, 18 August 2024
  • Thumbnail for Desmatosuchus
    occurred in the late 19th century when E.D. Cope classified armor from the Dockum Group in Texas, USA, as the new species Episcoposaurus haplocerus. Case later...
    17 KB (1,658 words) - 10:19, 22 August 2024
  • Thumbnail for Machaeroprosopus
    probably collected from the Bull Canyon Formation of the Chinle Group or Dockum Group, probably at the Bull Canyon, in the Guadalupe County of New Mexico...
    23 KB (2,551 words) - 19:32, 22 October 2024
  • Thumbnail for Venkatasuchus
    age at the least based on the stratigraphy of the Chinle Formation and Dockum Group. Venkatasuchus also has major implications for the geography of aetosaurs...
    13 KB (1,671 words) - 13:17, 20 June 2024
  • Thumbnail for Gojirasaurus
    the Cooper Canyon Formation), a major fossiliferous component of the Dockum Group in eastern New Mexico. In particular, it was found at a site in the vicinity...
    26 KB (2,508 words) - 05:40, 22 September 2024