meaning "lizard") or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia. Plesiosaurs first appeared in...

belong to the latter. Gastroliths are frequently found associated with plesiosaurs. The first complete plesiosauroid skeletons were found in England by...

speculation that it might be the remains of a sea serpent or prehistoric plesiosaur. Although several scientists insisted it was "not a fish, whale, or any...

This list of plesiosaurs is a comprehensive listing of all genera that have ever been included in the order Plesiosauria, excluding purely vernacular...

Elasmosauridae is an extinct family of plesiosaurs, often called elasmosaurs. They had the longest necks of the plesiosaurs and existed from the Hauterivian...

This timeline of plesiosaur research is a chronologically ordered list of important fossil discoveries, controversies of interpretation, taxonomic revisions...

is no plesiosaur", Leslie Noè of the Sedgwick Museum in Cambridge said: "The osteology of the neck makes it absolutely certain that the plesiosaur could...

the presence of gastroliths in elasmosaurid plesiosaurs differs from that of the short-necked plesiosaurs. While some fossil gastroliths are rounded and...

Conybeare in 1824 on the basis of Anning's original finds. Compared to other plesiosaur genera, Plesiosaurus has a small head. The skull is much narrower than...

Leptocleidus is an extinct genus of plesiosaur, belonging to the family Leptocleididae. It was a small plesiosaur, measuring only up to 3 m (9.8 ft)....

Pliosauroidea is an extinct clade of plesiosaurs, known from the earliest Jurassic to early Late Cretaceous. They are best known for the subclade Thalassophonea...

surviving specimens of giant marine reptiles, such as an ichthyosaur or plesiosaur, from the Jurassic and Cretaceous Periods, or extinct whales like Basilosaurus...

Rarosaurus is an extinct genus of polycotylid plesiosaur that lived during the Late Cretaceous. It contains one valid species, R. singularis and it was...

Moanasaurus, was one of the largest mosasaurs in the world. The New Zealand plesiosaur is named Mauisaurus. Fauna of New Zealand List of geckos of New Zealand...

tons), but P. rossicus and P. funkei would have been one of the largest plesiosaurs of all time, exceeding 10 metres (33 ft) in length. This genus has contained...

Elasmosaurus (/ɪˌlæzməˈsɔːrəs, -moʊ-/) is a genus of plesiosaur that lived in North America during the Campanian stage of the Late Cretaceous period, about...

except for the Plesiosauria became extinct at the end of that period. The plesiosaurs would continue to diversify until the end of the Mesozoic. Sauropterygians...

life in the seas, including such familiar clades as the ichthyosaurs, plesiosaurs (these two orders were once thought united in the group "Enaliosauria"...

Rhomaleosaurus among the plesiosaurs (all Rhomaleosauridae, although as currently defined this group is probably paraphyletic). All these plesiosaurs had medium-sized...

skeleton when she was twelve years old; the first two nearly complete plesiosaur skeletons; the first pterosaur skeleton located outside Germany; and fish...

Morturneria is an extinct genus of plesiosaur from the Late Cretaceous of what is now Antarctica. The Lopez de Bertodano Formation is located on Seymour...

Attenborough and his works Timeline of plesiosaur research List of plesiosaur genera Bakker, R. T. (1993). Plesiosaur extinction cycles - events that mark...

"Satsuma-utsunomiya-ryu" is an undescribed plesiosaur known from Kyushu, Japan. This nickname is named after the former province name of the discovery...

2011. List of plesiosaur genera Timeline of plesiosaur research Storrs, G. W & Taylor, M. A. (1996). Cranial anatomy of a new plesiosaur genus from the...

of plesiosaur crossed the Triassic–Jurassic boundary. Plesiosaurs were already diverse in the earliest Jurassic, with the majority of plesiosaurs in the...

krip-toh-KLY-dəs) is a genus of plesiosaur reptile from the Middle Jurassic period of England, France, and Cuba. Cryptoclidus was a plesiosaur whose specimens include...

Styxosaurus is a genus of plesiosaur of the family Elasmosauridae. Styxosaurus lived during the Campanian age of the Cretaceous period. Three species are...

belonging to the Thalassophonea, a clade of short-necked pliosaurid plesiosaurs. Liopleurodon lived from the Callovian Stage of the Middle Jurassic to...

sirenians. It was present in many marine reptiles, such as ichthyosaurs and plesiosaurs. Lipid-rich, collagen fiber-laced blubber comprises the hypodermis and...

and Greek, medon, "lord" or "ruler", meaning "sea lord") is a genus of plesiosaur, named by Welles in 1943. Thalassomedon is among the largest elasmosaurids...