ptero·​saur | \ ˈter-ə-ˌsȯr How to pronounce pterosaur (audio) \

Definition of pterosaur

: any of an order (Pterosauria) of extinct flying reptiles existing from the Late Triassic throughout the Jurassic and most of the Cretaceous and having a featherless wing membrane extending from the side of the body along the arm to the end of the greatly elongated fourth digit

Examples of pterosaur in a Sentence

Recent Examples on the Web But the pterosaur skeletal fossils are equally astonishing in and of themselves. Jeanne Timmons, Ars Technica, 6 June 2022 Further analysis of the fossil found that the feathers on the pterosaur may have been inherited from an ancestor common to both dinosaurs and pterosaurs. Elizabeth Gamillo, Smithsonian Magazine, 21 Apr. 2022 There are over 200 species of pterosaur, ranging from the 16-foot-tall Quetzalcoatlus to the sparrow-sized Anurognathus. Corryn Wetzel, Smithsonian Magazine, 11 Aug. 2021 Later work concluded Marsh had found some of the first pterosaur fossils in North America. Mark Fischetti, Scientific American, 26 Apr. 2022 Found in northeast Brazil, this type of pterosaur had a wingspan of 16 feet and was known for its huge headcrest. Jordan Mendoza, USA TODAY, 21 Apr. 2022 There has also been some academic debate about whether pterosaur fuzz represents true feathers or featherlike pycnofibers. Riley Black, Scientific American, 20 Apr. 2022 The partial skull, more precisely, is the pterosaur’s crest. NBC News, 20 Apr. 2022 Though this area of paleontology is still new, previous pterosaur studies only found homogenous melanosome shapes in their tissues. Riley Black, Scientific American, 20 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pterosaur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pterosaur

1863, in the meaning defined above

History and Etymology for pterosaur

New Latin Pterosauria, from Greek pteron wing + sauros lizard

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The first known use of pterosaur was in 1863

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Last Updated

20 Jun 2022

Cite this Entry

“Pterosaur.” Dictionary, Merriam-Webster, Accessed 6 Jul. 2022.

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