• Thumbnail for Trinacromerum
    Trinacromerum is an extinct genus of sauropterygian reptile, a member of the polycotylid plesiosaurs. It contains two species, T. bentonianum and T. kirki...
    4 KB (190 words) - 02:38, 4 May 2024
  • Thumbnail for Dolichorhynchops
    Masters thesis by Bonner 1964. Note that it was described by Bonner as "Trinacromerum osborni" which was the accepted genus name at the time. D. herschelensis...
    19 KB (1,898 words) - 15:07, 24 August 2024
  • Thumbnail for Martinectes
    Martinectes was historically considered to represent a species of the genus Trinacromerum and later Dolichorhynchops before it was moved to its own genus. It...
    8 KB (556 words) - 23:51, 5 November 2024
  • Polycotylidae Dolichorhynchops Edgarosaurus Manemergus Sulcusuchus Thililua Trinacromerum Pliosaurs: Early Jurassic - Late Cretaceous Kronosaurus Liopleurodon...
    11 KB (807 words) - 08:44, 27 May 2024
  • Thumbnail for Polycotylidae
    Trinacromerum bentonianum from the Late Cretaceous of Kansas...
    10 KB (590 words) - 15:34, 21 September 2024
  • Thumbnail for Flipper (anatomy)
    Illustration of plesiosaur flippers. Meyerasaurus and Trinacromerum. From The Osteology of the Reptiles (1925)...
    15 KB (1,656 words) - 16:16, 10 September 2024
  • Thumbnail for Plesiosauroidea
    different plesiosaurs varied significantly, with an estimated length of Trinacromerum being three meters and Mauisaurus growing to twenty meters. The following...
    21 KB (2,136 words) - 15:58, 11 November 2024
  • Thumbnail for Scalamagnus
    three additional polycotylid taxa, Eopolycotylus, Palmulasaurus and Trinacromerum, have been named from the same formation, two of which are currently...
    8 KB (622 words) - 11:48, 7 November 2024
  • Thumbnail for Elasmosaurus
    Terminonatator, Polycotylus, Brachauchenius, Dolichorhynchops and Trinacromerum; the mosasaurs Mosasaurus, Halisaurus, Prognathodon, Tylosaurus, Ectenosaurus...
    113 KB (12,424 words) - 16:34, 17 July 2024
  • Thumbnail for Plesiosaur
    s4-21.123.221. Williston, S. W. (1908). "North American plesiosaurs: Trinacromerum". Journal of Geology. 16 (8): 715–735. Bibcode:1908JG.....16..715W....
    137 KB (13,418 words) - 03:13, 5 November 2024
  • Thumbnail for Plesiosaurus
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    22 KB (2,194 words) - 13:06, 6 November 2024
  • waters at the time. †TrinacromerumTrinacromerum kirki 93–70 Ma, Turonian to Maastrichtian Manitoba, Canada †Tuarangisaurus †Trinacromerum kirki 72-68 MA Tahora...
    114 KB (162 words) - 07:03, 27 October 2024
  • Thumbnail for Jormungandr walhallaensis
    Ichthyornis), plesiosaurs (Dolichorhynchops, Elasmosaurus, Styxosaurus, and Trinacromerum), turtles (Protostega and Toxochelys), and several bony and cartilaginous...
    15 KB (902 words) - 02:35, 20 July 2024
  • Thumbnail for Pliosaurus
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    61 KB (7,019 words) - 19:31, 1 October 2024
  • Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    36 KB (3,846 words) - 07:45, 16 October 2024
  • Thumbnail for Placodus
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    4 KB (448 words) - 01:17, 21 October 2024
  • Thumbnail for Pliosauroidea
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    15 KB (1,325 words) - 20:33, 30 September 2024
  • Thumbnail for Franconiasaurus
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    5 KB (265 words) - 14:03, 23 March 2024
  • Thumbnail for Nothosaurus
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    18 KB (1,412 words) - 14:16, 14 November 2024
  • Thumbnail for Kronosaurus
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    84 KB (9,378 words) - 10:12, 13 November 2024
  • Thumbnail for Mauriciosaurus
    Morphologically, it is overall most similar to the polycotyline polycotylids Trinacromerum and Dolichorhynchops. However, several features separate Mauriciosaurus...
    51 KB (5,658 words) - 22:41, 3 August 2024
  • Thumbnail for Pteranodon
    1871) Bonner, O. W. 1964. An osteological study of Nyctosaurus and Trinacromerum with a description of a new species of Nyctosaurus. Unpub. Masters Thesis...
    71 KB (7,888 words) - 11:14, 8 November 2024
  • Thumbnail for "Pliosaurus" andrewsi
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    38 KB (3,895 words) - 16:30, 4 November 2024
  • Thumbnail for Pliosauridae
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    6 KB (363 words) - 12:20, 3 July 2024
  • Thumbnail for Placodontia
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    15 KB (1,332 words) - 23:23, 31 August 2024
  • Thumbnail for Attenborosaurus
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    7 KB (494 words) - 14:57, 25 September 2024
  • Formation  Argentina An elasmosaurid plesiosaur. The type species is "Trinacromerum" lafquenianum Gasparini & Goñi (1985). Lariosaurus sanxiaensis Sp. nov...
    60 KB (4,934 words) - 12:37, 16 November 2024
  • Thumbnail for Pahasapasaurus
    the present Adams Museum & House. By 1937 it had been identified as Trinacromerum bentonianum by Stephen Chapman Simms, the director of the Field Museum...
    4 KB (453 words) - 07:52, 5 November 2024
  • Thumbnail for Thalassophonea
    Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    5 KB (247 words) - 05:45, 2 July 2024
  • Thumbnail for Serpentisuchops
    the Polycotylinae clade within Polycotylidae, as the sister taxon to Trinacromerum, Georgiasaurus, and Dolichorhynchops spp. The long snout of Serpentisuchops...
    5 KB (389 words) - 09:16, 15 November 2024