plesiosaur

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Related to plesiosaurs: Pliosaurs, ichthyosaurs, Mosasaurs

ple·si·o·saur

 (plē′sē-ə-sôr′, plē′zē-)
n. pl. ple·si·o·saurs
Any of various extinct marine reptiles of the group Plesiosauria of the Mesozoic Era, having paddlelike limbs, a short tail, and sometimes a very long neck.

[New Latin Plēsiosaurus, type genus : Greek plēsios, near to; see pel- in Indo-European roots + Greek sauros, lizard.]

plesiosaur

(ˈpliːsɪəˌsɔː)
n
(Palaeontology) any of various extinct marine reptiles of the order Sauropterygia, esp any of the suborder Plesiosauria, of Jurassic and Cretaceous times, having a long neck, short tail, and paddle-like limbs. See also ichthyosaur Compare dinosaur, pterosaur
[C19: from New Latin plēsiosaurus, from Greek plēsios near + sauros a lizard]

ple•si•o•saur

(ˈpli si əˌsɔr)

n.
any extinct marine reptile of the Jurassic and Cretaceous suborder Plesiosauroidea, having a thick body and paddlelike limbs.
[< New Latin Plesiosaurus (1821) genus name < Greek plēsí(os) near, close to + -o- -o- + saûros -saur]
ple`si•o•sau′roid, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plesiosaur - extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbsplesiosaur - extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
archosaur, archosaurian, archosaurian reptile - extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
genus Plesiosaurus - a reptile genus of suborder Plesiosauria
References in classic literature ?
There were huge tortoises too, paddling about among these other reptiles, which Perry said were Plesiosaurs of the Lias.
The thing must have been sixteen or eighteen feet in length and closely resembled pictures I had seen of restored plesiosaurs of the lower Jurassic.
Other fossils indicate Dearcmhara lived alongside members of another branch of marine reptiles called plesiosaurs, known for long necks and paddle-like flippers.
They died out around 25 million years before the extinction event that wiped out the dinosaurs and were replaced by plesiosaurs, a long-neck marine reptile.
They died out about 25 million years before the extinction event that wiped out the dinosaurs and were replaced by plesiosaurs, a long-necked marine reptile.
This meant they had an edge over more lumbering relatives such as plesiosaurs - who died out after an asteroid the size of the Isle of Wight smashed into what is now Mexico.
Washington, March 21 ( ANI ): Researchers have said that crocodile-like amphibians and later the precursors of the known plesiosaurs and ichthyosaurs went in search of prey in the oceans soon after the end of the mass extinction.
Suitable for seven-11 years old, we discover more plesiosaurs, porridge and pants.
These invertebrates were once at the base of the marine food web, providing meals for large vertebrates such as plesiosaurs and ichthyosaurs, Andrew explains to our group.
Plesiosaurs were among the first dinosaur fossils discovered by palaeontologists.
They offer suggestions for sculpting several groups of prehistoric animals (dinosaurs and other Mesozoic vertebrates like plesiosaurs, pterosaurs, and fossil birds), emphasizing prehistoric life as viewed by modern paleontologists.
Plesiosaurs were marine reptiles that became extinct more than 65million years ago.