• Thumbnail for Pachycostasaurus
    Pachycostasaurus was a twist feeder like other contemporary pliosaurids. The rarity of the animal in the formation may suggest that Pachycostasaurus was...
    6 KB (659 words) - 16:34, 12 October 2024
  • Thumbnail for "Pliosaurus" andrewsi
    Marmornectes candrewi, Eardasaurus powelli, and, potentially, Pachycostasaurus dawni. However, there is considerable variation in the anatomy of these...
    38 KB (3,895 words) - 16:42, 4 October 2024
  • Marmornectes candrewi, Eardasaurus powelli, and, potentially, Pachycostasaurus dawni. However, there is considerable variation in the anatomy of these...
    75 KB (8,363 words) - 00:28, 21 September 2024
  • Callovian Callovian Simolestes vorax Callovian Callovian Callovian Pachycostasaurus dawni Callovian Callovian Callovian Terminonatator ponteixensis Campanian...
    89 KB (724 words) - 06:19, 21 May 2024
  • Thumbnail for Timeline of plesiosaur research
    Martill, and Leslie Noe formally named the new Oxford Clay pliosaur Pachycostasaurus dawni. The researchers noticed that its bones were very dense. So dense...
    148 KB (13,605 words) - 04:35, 7 August 2024