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Pliosauroidea is an extinct clade of plesiosaurs, known from the earliest Jurassic to early Late Cretaceous.They are best known for the subclade Thalassophonea, which contained crocodile-like short-necked forms with large heads and massive toothed jaws, commonly known as pliosaurs.
Nicknamed "Westbury pliosaur II", it was first described by Sassoon et al. (2012) who, together with Knutsen (2012), assigned it tentatively to Pliosaurus sp.. [ 7 ] [ 4 ] It was reassigned to its own species by Roger B. J. Benson, Mark Evans, Adam S. Smith, Judyth Sassoon, Scott Moore-Faye, Hilary F. Ketchum and Richard Forrest in 2013 .
View of the main gallery in The Etches Collection The founder Steve Etches in the workshop at The Etches Collection. The Etches Collection (also known as the Museum of Jurassic Marine Life) [2] is an independent fossil museum located in the village of Kimmeridge, Dorset, England. [3]
The skull of a pliosaur, a prehistoric sea monster, was discovered on a beach in Dorset, England, and it could reveal secrets about these awe-inspiring creatures.
Kimmeridge Clay is named after the village of Kimmeridge on the Dorset coast of England, where it is well exposed and forms part of the Jurassic Coast World Heritage Site. [2] Onshore, it is of Late Jurassic ( Kimmeridgian ) age and outcrops across England, in a band stretching from Dorset in the south-west, north-east to North Yorkshire .
A large pliosaur skull is the subject of a BBC documentary, Attenborough and the Giant Sea Monster, which aired on 1 January 2024. The tip of the skull was found by Phil Jacobs when fossil collecting near Kimmeridge Bay.
The size of the stones has been seen as an indication that they were not swallowed by accident, but deliberately, the animal perhaps covering large distances in search of a suitable rock type. [95] The type specimen of Scalamagnus (MNA V10046) is associated with 289 gastroliths , which is unusual in comparison to most polycotylid skeletons that ...
Pliosauridae was formally named by Harry G. Seeley in 1874. [2]Pliosauridae is a stem-based taxon defined in 2010 (and in earlier studies in a similar manner) as "all taxa more closely related to Pliosaurus brachydeirus than to Leptocleidus superstes, Polycotylus latipinnis or Meyerasaurus victor". [3]