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This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms.The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomen dubium), or were not formally published (nomen nudum), as well as junior synonyms of more established names, and genera that ...
"A Giant Pliosaurid Skull from the Late Jurassic of England". PLOS ONE. 8 (5): e65989. Bibcode:2013PLoSO...865989B. doi: 10.1371/journal.pone.0065989. PMC 3669260. PMID 23741520. A. Yu. Berezin (2011). "A new plesiosaur of the family Aristonectidae from the early cretaceous of the center of the Russian platform". Paleontological Journal. 45 (6 ...
Aristonectes is a plesiosaur that had been particularly difficult for scientists to analyze because of its incompleteness. [ 15 ] [ 16 ] Its relationships remained unclear until more recent research carried out on A. parvidens and the discovery of the second species A. quiriquinensis have made it possible to redescribe its anatomy and classify ...
Plesioelasmosaurus is an extinct genus of elasmosaurid plesiosaur from the Late Cretaceous (middle Cenomanian) Greenhorn Limestone of Kansas, United States. The genus contains a single species, P. walkeri, known from a partial skeleton. [1]
The Plesiosauria [a] [4] or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia. Plesiosaurs first appeared in the latest Triassic Period , possibly in the Rhaetian stage, about 203 million years ago. [ 5 ]
Elasmosauridae is an extinct family of plesiosaurs, often called elasmosaurs.They had the longest necks of the plesiosaurs and existed from the Hauterivian to the Maastrichtian stages of the Cretaceous, and represented one of the two groups of plesiosaurs present at the end of the Cretaceous alongside Polycotylidae.
Aristonectinae is a subfamily of plesiosaurs in the family Elasmosauridae.It includes the Late Cretaceous plesiosaurs Aristonectes and Kaiwhekea, traditionally grouped with the Late Jurassic Tatenectes and Kimmerosaurus in the family Aristonectidae.
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.