• Thumbnail for Leptocleidus
    a "Leptocleidus sp.", was named as a separate genus Vectocleidus in 2012. With large clavicles and interclavicle and small scapulae, Leptocleidus resembled...
    7 KB (493 words) - 15:01, 29 April 2024
  • Thumbnail for Pliosauroidea
    as "all taxa more closely related to Pliosaurus brachydeirus than to Leptocleidus superstes, Polycotylus latipinnis or Meyerasaurus victor". Rhomaleosauridae...
    15 KB (1,325 words) - 14:04, 26 May 2024
  • Thumbnail for Pliosauridae
    as "all taxa more closely related to Pliosaurus brachydeirus than to Leptocleidus superstes, Polycotylus latipinnis or Meyerasaurus victor". The family...
    6 KB (363 words) - 12:20, 3 July 2024
  • Thumbnail for Leptocleidia
    Leptocleidia is a node-based taxon which was defined by Ketchum and Benson as "Leptocleidus superstes, Polycotylus latipinnis, their most recent common ancestor...
    2 KB (186 words) - 18:53, 10 July 2024
  • Thumbnail for Pliosaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    61 KB (7,019 words) - 09:58, 12 August 2024
  • Thumbnail for Plesiosaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    22 KB (2,221 words) - 05:29, 14 August 2024
  • Dinosaurs Tetanurae indet. Theropoda indet. Sauropterygia Leptocleidus clemai Leptocleidus sp. List of dinosaur-bearing rock formations List of stratigraphic...
    4 KB (238 words) - 19:28, 8 July 2024
  • Thumbnail for Plesiosaur
    Plesiosauria (Sauropterygia) and its bearing on the systematic status of Leptocleidus Andrews, 1922". Zootaxa. 1863: 1–120. doi:10.11646/zootaxa.1863.1.1....
    137 KB (13,371 words) - 13:38, 17 June 2024
  • Thumbnail for Elasmosauridae
    Russell moved the Polycotylidae back into the Pliosauroidea, and placed Leptocleidus as their sister group in the newly named Leptocleidoidea; Adam Smith...
    36 KB (3,558 words) - 05:33, 26 June 2024
  • Thumbnail for Weald Clay
    211-273 "Reassessment of the Lower Cretaceous (Barremian) pliosauroid Leptocleidus superstes Andrews, 1922 and other plesiosaur remains from the nonmarine...
    15 KB (1,075 words) - 14:16, 23 March 2024
  • Thumbnail for Franconiasaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    5 KB (265 words) - 14:03, 23 March 2024
  • Thumbnail for Attenborosaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    7 KB (494 words) - 03:41, 3 July 2024
  • Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    37 KB (3,907 words) - 15:51, 3 August 2024
  • Thumbnail for Elasmosaurus
    Plesiosauria (Sauropterygia) and its bearing on the systematic status of Leptocleidus Andrews, 1922 (PDF). Vol. 1863. Zootaxa. pp. 1–120. doi:10.11646/zootaxa...
    113 KB (12,424 words) - 16:34, 17 July 2024
  • Thumbnail for Nothosaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    18 KB (1,418 words) - 17:42, 23 July 2024
  • Thumbnail for Styxosaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    16 KB (1,528 words) - 01:59, 24 May 2024
  • Thumbnail for Chusaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    4 KB (468 words) - 20:15, 31 March 2024
  • Thumbnail for "Pliosaurus" andrewsi
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    38 KB (3,895 words) - 14:37, 6 August 2024
  • Thumbnail for Umoonasaurus
    assigned to Umoonasaurus were thought to represent a new species of Leptocleidus. In 2006, Kear and colleagues found Umoonasaurus to belong to the superfamily...
    19 KB (2,043 words) - 14:04, 7 August 2024
  • Thumbnail for Polycotylidae
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    10 KB (582 words) - 04:28, 4 August 2024
  • Thumbnail for Leptocleididae
    Albian stage). They had small bodies with small heads and short necks. Leptocleidus and Umoonasaurus had round bodies and triangle-shaped heads. Leptocleidids...
    4 KB (242 words) - 16:47, 18 June 2024
  • Thumbnail for Kronosaurus
    includes Leptocleididae and Polycotylidae, are known. Leptocleids include Leptocleidus, Umoonasaurus, and a few specimens with undetermined attributions. Polycotylids...
    84 KB (9,361 words) - 13:18, 7 August 2024
  • Thumbnail for Kem Kem Group
    Plesiosaurs Genus Species Location Stratigraphic position Material Notes Images Leptocleididae cf. Leptocleidus indeterminate...
    48 KB (2,733 words) - 01:10, 11 August 2024
  • Thumbnail for Rhomaleosaurus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    14 KB (1,422 words) - 15:09, 3 July 2024
  • Thumbnail for Pachypleurosauria
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    7 KB (477 words) - 04:21, 4 January 2024
  • Thumbnail for Scalamagnus
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    8 KB (596 words) - 22:34, 3 August 2024
  • Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    5 KB (368 words) - 19:19, 14 November 2023
  • Thumbnail for Dolichorhynchops
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    19 KB (1,898 words) - 22:37, 3 August 2024
  • Thumbnail for Plesiosauroidea
    Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae...
    21 KB (2,136 words) - 20:32, 9 August 2024
  • Thumbnail for Timeline of plesiosaur research
    Rhomaleosaurus victor. 1911 Andrews described the species now known as Leptocleidus capensis. 1913 Brown described the new species Leurospondylus ultimus...
    148 KB (13,605 words) - 04:35, 7 August 2024