• 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) - 22:37, 3 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...
    7 KB (546 words) - 22:37, 3 August 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 (596 words) - 22:34, 3 August 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 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 Polycotylidae
    Trinacromerum bentonianum from the Late Cretaceous of Kansas...
    10 KB (582 words) - 04:28, 4 August 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 (13,371 words) - 13:38, 17 June 2024
  • Thumbnail for Plesiosaurus
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    22 KB (2,193 words) - 13:27, 30 July 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) - 10:38, 25 April 2024
  • Thumbnail for Flipper (anatomy)
    Illustration of plesiosaur flippers. Meyerasaurus and Trinacromerum. From The Osteology of the Reptiles (1925)...
    15 KB (1,656 words) - 07:53, 22 March 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 Nothosaurus
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    18 KB (1,418 words) - 17:42, 23 July 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) - 13:45, 21 June 2024
  • Thumbnail for Franconiasaurus
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    5 KB (265 words) - 14:03, 23 March 2024
  • Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    37 KB (3,907 words) - 15:51, 3 August 2024
  • Thumbnail for Pliosaurus
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    61 KB (7,013 words) - 10:30, 10 July 2024
  • Thumbnail for "Pliosaurus" andrewsi
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    38 KB (3,897 words) - 23:02, 17 June 2024
  • Thumbnail for Pliosauroidea
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    15 KB (1,325 words) - 14:04, 26 May 2024
  • Thumbnail for Placodontia
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    15 KB (1,334 words) - 03:31, 15 July 2024
  • Thumbnail for Thalassophonea
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    5 KB (247 words) - 05:45, 2 July 2024
  • Thumbnail for Placodus
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    4 KB (448 words) - 14:47, 15 February 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...
    70 KB (7,825 words) - 11:41, 4 August 2024
  • Thumbnail for Thalassomedon
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    4 KB (380 words) - 01:04, 14 July 2024
  • Thumbnail for Kronosaurus
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    84 KB (9,362 words) - 16:52, 4 August 2024
  • Thumbnail for Pliosauridae
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    6 KB (363 words) - 12:20, 3 July 2024
  • Thumbnail for Pachypleurosauria
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    7 KB (477 words) - 04:21, 4 January 2024
  • Thumbnail for Marambionectes
    Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum...
    7 KB (298 words) - 06:23, 21 May 2024
  • Thumbnail for Elasmosauridae
    and continuously meeting coracoids; these included Polycotylus and Trinacromerum (the Polycotylidae), as well as Muraenosaurus, Cryptoclidus, Picrocleidus...
    36 KB (3,558 words) - 05:33, 26 June 2024