The Plesiosauria or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia. Plesiosaurs first appeared in...

two pairs of large, elongated paddles. It lends its name to the order Plesiosauria, of which it is an early, but fairly typical member. It contains only...

Ketchum, H.F.; Benson, R.B.J. (2010). "Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining...

originally included only members of the family Pliosauridae, of the order Plesiosauria, but several other genera and families are now also included, the number...

Everhart, Michael J. (2022). "Washed Ashore – New Elasmosaurid Specimens (Plesiosauria: Sauropterygia) from the Late Cretaceous of Colorado and Kansas and Their...

is more closely related to Plesiosauria than to Nothosaurus. Pistosaurus is often mistaken with Nothosaurus and Plesiosauria. Nothosaurus belongs to the...

Sachs, S. (2005). "Redescription of Elasmosaurus platyurus, Cope 1868 (Plesiosauria: Elasmosauridae) from the Upper Cretaceous (lower Campanian) of Kansas...

standard-bearers for inclusion in the species and genera of the reptile clade Plesiosauria, which includes the short-necked pliosaurs and long necked plesiosauroids...

The Coimbra Formation (Also known as Camadas de Coimbra or Calcários de S. Miguel) is a geological formation of Sinemurian (Lower Jurassic) age in the...

Plesiosauroidea (Reptilia) and a review of the phylogeny and classification of the Plesiosauria". Bulletin of the British Museum (Natural History) Geology. 35 (4): 253–347...

"Earliest North American Occurrence Of Polycotylidae (Sauropterygia: Plesiosauria) From The Lower Cretaceous (Albian) Clearwater Formation, Alberta, Canada"...

Hilary F.; Benson, Roger B. J. (2011). "A new pliosaurid (Sauropterygia, Plesiosauria) from the Oxford Clay Formation (Middle Jurassic, Callovian) of England:...

Ketchum, H. F., and Benson, R. B. J., 2010. "Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining...

extinction and flourished during the Triassic before all except for the Plesiosauria became extinct at the end of that period. The plesiosaurs would continue...

; O'Gorman, J. (2014). "A new species of Pliosaurus (Sauropterygia, Plesiosauria) from the Upper Jurassic of northwestern Patagonia, Argentina". Ameghiniana...

(2016). Revision of polycotylid plesioaur systematics (sauropterygia plesiosauria) and description of the axial osteology of a juvenile polycotylid (Thesis)...

R.; Reguero, M. (2019-10-01). "A giant elasmosaurid (Sauropterygia; Plesiosauria) from Antarctica: New information on elasmosaurid body size diversity...

A.; O'Keefe, F.R. (2023). "Occurrence of Styxosaurus (Sauropterygia: Plesiosauria) in the Cenomanian: Implications for relationships of elasmosaurids of...

comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular terms. The list includes all commonly accepted...

Chicago Godefroit, P. (1994). Simolestes keileni sp. nov., un Pliosaure (Plesiosauria, Reptilia) du Bajocien supérieur de Lorraine (France). Bulletin des Académie...

The Allen Formation is a geological formation in Argentina whose strata date back to the Late Cretaceous (middle Campanian to early Maastrichtian. Dinosaur...

Pliosauride (Reptilia: Plesiosauria) aus der Unterkreide (oberes Aptium) von Kolumbien" [A large pliosaurid (Reptilia: Plesiosauria) from the Lower Cretaceous...

revision of the Plesiosauria (Reptilia: Sauropterygia)". Acta Zoologica Fennica. 213: 1–63. Leptocleidus on DinoWight http://plesiosauria.com/leptocleidus...

Archived from the original on 5 August 2019. Retrieved 1 August 2014. "Plesiosauria Translation and Pronunciation Guide". Dinosauria.com. Archived from the...

a paraphyletic grouping, meaning that they do not form a true clade. Plesiosauria is now placed within Pistosauroidea, while the traditional pistosauroids...

(2007). "Anatomy and systematics of the Rhomaleosauridae (Sauropterygia, Plesiosauria)" (PDF). Ph.D. Thesis, University CollegeDublin. Adam S. Smith & Gareth...

Memphre Mishipeshu Mokele-mbembe Morag Nahuel Huapi Lake Monster Ogopogo Plesiosauria Sea monster Selma (lake monster) Stronsay Beast Wani (dragon) Zegrze...

Noè, L.F.; Gómez-Pérez, M. (2021). "Giant pliosaurids (Sauropterygia; Plesiosauria) from the Lower Cretaceous peri-Gondwanan seas of Colombia and Australia"...

Dolichorhynchops bonneri new combination, a polycotylid (Sauropterygia: Plesiosauria) from the Pierre Shale of Wyoming and South Dakota". Journal of Vertebrate...

as the top aquatic predators by another marine reptilian group, the Plesiosauria, in the later Jurassic and Early Cretaceous, though previous views of...