• Thumbnail for Altispinax
    Altispinax (/ˌæltɪˈspaɪnæks/; "with high spines") is a genus of large predatory theropod dinosaur from the Early Cretaceous period (Valanginian, 140 to...
    14 KB (1,622 words) - 08:59, 24 October 2024
  • Thumbnail for Metriacanthosaurus
    it was a species of Altispinax, A. parkeri. In 1964, scientist Alick Walker decided these fossils were too different from Altispinax, as they lacked the...
    8 KB (648 words) - 13:17, 23 August 2024
  • Thumbnail for Ankylosis
    fossils from several species, including Allosaurus fragilis, Becklespinax altispinax, Poekilopleuron bucklandii, and Tyrannosaurus rex (including the Stan...
    6 KB (531 words) - 17:09, 29 July 2024
  • Thumbnail for Acrocanthosaurus
    named them as a second species of the genus, A. altispinax. These bones were originally assigned to Altispinax, an English theropod otherwise known only from...
    50 KB (5,187 words) - 18:02, 9 November 2024
  • of Becklespinax altispinax. Maisch considered Becklespinax to be an objective junior synonym of Altispinax, and Becklespinax altispinax to be an objective...
    6 KB (784 words) - 14:19, 21 April 2024
  • Megalosaurus gets run over by a lorry whose driver is killed by a panther, an Altispinax attacks a herd of cows before killing the farmer attempting to stop it...
    8 KB (1,043 words) - 04:27, 27 October 2024
  • Thumbnail for Giganotosaurus
    Altispinax Monolophosaurus? Megalosauridae? Spinosauridae? Allosauroidea...
    58 KB (6,872 words) - 22:05, 27 May 2024
  • Thumbnail for Gregory S. Paul
    dinosaurs, alone or with co-authors: Acrocanthosaurus altispinax (species, later renamed Becklespinax altispinax) Albertosaurus megagracilis (species, later renamed...
    13 KB (1,390 words) - 15:37, 14 September 2024
  • Thumbnail for Dilophosaurus
    Altispinax Monolophosaurus? Megalosauridae? Spinosauridae? Allosauroidea...
    119 KB (14,566 words) - 06:11, 2 November 2024
  • Thumbnail for Spinosaurus
    Altispinax Monolophosaurus? Megalosauridae? Spinosauridae? Allosauroidea...
    102 KB (11,391 words) - 06:21, 7 November 2024