... by the Pliosauridae only (Ketchum & Benson, 2010 ). Cretaceous pliosaurs are only represented by: Kronosaurus Longman, 1924 from Aptian–Albian Australia and Colombia; Brachauchenius Williston, 1903 from the Turonian Western Interior Seaway and Barremian Colombia (Hampe, 2005...

... elements (e.g. teeth, vertebrae), but disarticulated partial skeletons and an articulated, subvertically embedded ichthyosaur skull are also available. The following taxa are identified: ‘ Platypterygius ’ sp., cf. Ophthalmosaurinae, Ichthyosauria indet., Polyptychodon interruptus , Pliosauridae indet...

... l’hypothèse d’un corridor hispanique joignant, au moins temporairement, les provinces marines nordouest européenne et sud-américaine (Pacifique) au Jurassique supérieur. Kimméridgien Pliosauridae Mexique Paléobiogéographie Kimmeridgian Pliosauridae Mexico Palaeobiogeography ...

...: [email protected] 20 11 2017 14 06 2018 Copyright © Cambridge University Press 2018 2018 Cambridge University Press Teeth Megacephalosaurus Brachaucheninae Pliosauridae Turonian Cretaceous phylogeny Megacephalosaurus eulerti Schumacher, Carpenter & Everhart...

...Figure 10. TMM 44038-1. cf. Pliosauridae, partial caudal vertebra. A , Neural arch; B , Centrum; C , Dorsal view of neural arch showing medial cleft; D , Lateral view of centrum with chevron facet on lower right. Shaded areas in line drawings show approximate location of each specimen. Line...

..., 1976, 1977 ; Storrs et al., in press) and Australia ( Persson, 1960 ). Wiffen and Moisley (1986) described material from the Upper Cretaceous of New Zealand as “Pliosauridae genus and species indeterminate” under the classification scheme of Brown (1981) , including those that show polycotylid...

..., 2012 ; Sasoon et al., 2012 ; Benson et al., 2013 ; Benson and Druckenmiller, 2014 ; Fischer et al., 2015 ; Páramo-Fonseca et al., 2016 ). Order Plesiosauria de Blainville, 1835 Family Pliosauridae Seeley, 1874 Clade Thalassophonea Benson and Druckenmiller, 2014 Genus...

... (Pliosauridae indet. sensu Welles, 1962 ; Kear, 2002 ) and C. lissaensis Fritsch, 1905 a (indeterminate Plesiosauria; Bardet & Godefroit, 1995 ; Kear, 2002 ), the turtle Chelone? regularis Fritsch, 1905 a and supposed mosasauroids Iserosaurus litoralis Fritsch, 1905...

...Fig. 7. G1.2001.011. Sacral centrum, Pliosauridae indet. Dorsal (top), anterior, left lateral and ventral views. Length (anteriorposterior) 22.1 mm. Scale bar: 50 mm. ...

... ; Brown and Cruickshank, 1994 ). The validity of the Polycotylidae Cope, 1869 , has long been questioned and its phylogenetic position among Plesiosauria debated, as many consider it to be related to the Pliosauridae or to be a sister-group of the Elasmosauridae ( Sato and Storrs, 2000 ; O'Keefe, 2001...

... . Hampe , O. , 1992 , Ein großwüchsiger Pliosauridae (Reptilia: Plesiosauria) aus der Unterkreide (oberes Aptium) von Kolombien : Courier Forschungs Institut Senckenberg , 145 . 1 – 32 . Hayes , B. J. R. , Christopher , J. E. , Rosenthal , L. , Los , G. , McKercher , B...

..., along with ichthyosaurs in the Early Jurassic and marine crocodilians, mosasaurs and large sharks during the mid-Jurassic and Cretaceous. They are divided into several families of which the Pliosauridae occupied the fast pursuit and ambush predator niches of the very extensive paralic seas of those...

...). Moreover, NHMUK 39514 possesses an elongated lingual coronoid process, a synapomorphy of Pliosauridae sensu Ketchum and Benson (2010) . By contrast, the morphology of the braincase of NHMUK 39514 differs from that in known pliosoromorph taxa and resembles that in plesiosauroids and basal plesiosaurians...

... (commonly referred to as amphicoelous type), the presence of the ventral keel and proportional shortening (Fig.  4 h–p; online Supplementary Fig.  S6 ). Based solely on these features, the specimens could be referred to Rhomaleosauridae and/or Pliosauridae (e.g. Benson et al . 2012 ) or to basal...

..., Pliosauridae propodials are more rounded. The dorsoventral height of the element is approximately similar throughout the element, and it has no dorsal or ventral crests. The element is incomplete and severely eroded. The anteriormost and posteriormost facets are directed anterodistally and posterodistally...