plesiosaur in English
noun
1
a large extinct marine reptile of the Mesozoic era, with a broad flat body, large paddlelike limbs, and typically a long flexible neck and small head.
While dinosaurs ruled the land, the ichthyosaurs, classified variously in the Ichthyosauria or in the Ichthyopterygia, shared the seas of the world with the other great groups of large marine reptiles, the plesiosaurs and mosasaurs.
noun
plesiosaurus
Use "plesiosaur" in a sentence
Below are sample sentences containing the word "plesiosaur" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "plesiosaur", or refer to the context using the word "plesiosaur" in the English Dictionary.
1. In other vertebrates, the number of cervical vertebrae can range from a single vertebra in amphibians, to as many as 25 in swans or 76 in the extinct plesiosaur Elasmosaurus.
2. 28 The lake monster, like that of Loch Ness, is supposed to be akin to a plesiosaur, a kind of a long-necked aquatic dinosaur thought to have been an herbivore.