
1) Archosaur 2) Archosaurian 3) Archosaurian reptile 4) Extinct flying reptile 5) Extinct winged lizard 6) Flying reptile
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1) Pterodactyl
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https://www.crosswordclues.com/clue/pterosaur

Pterosaurs (ɔr, from the Greek πτερόσαυρος, pterosauros, meaning `winged lizard`) were flying reptiles of the clade or order Pterosauria. They existed from the late Triassic to the end of the Cretaceous Period (228 to 66 million years ago). Pterosaurs are the earliest vertebrates known to have evolved powered flight. Their wings were.....
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http://en.wikipedia.org/wiki/Pterosaur

• (n.) A pterodactyl.
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http://thinkexist.com/dictionary/meaning/pterosaur/

any of the flying reptiles that flourished during all periods (Triassic, Jurassic, and Cretaceous) of the Mesozoic Era (248 million to 65 million ... [4 related articles]
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http://www.britannica.com/eb/a-z/p/128

(pronounced TER-o-SAWR) Pterosaurs meaning winged lizard) were flying, prehistoric reptiles. They were not dinosaurs, but were closely related to them. Pterosaurs were named by Kaup in 1834.
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
Pter'o·saur noun [ Greek ... wind + ... a lizard.]
(Paleon.) A pterodactyl.
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http://www.encyclo.co.uk/webster/P/189

[
n] - extinct flying reptile of the Jurassic and Cretaceous having a birdlike beak and membranous wings supported by the very long fourth digit of each forelimb
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http://www.webdictionary.co.uk/definition.php?query=pterosaur

pterosaur A winged lizard that was a flying prehistoric reptile but not a dinosaur; however, it was closely related to dinosaurs.
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http://www.wordinfo.info/words/index/info/view_unit/1781/5
flying reptile noun an extinct reptile of the Jurassic and Cretaceous having a birdlike beak and membranous wings supported by the very long fourth digit of each forelimb
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https://www.encyclo.co.uk/local/20974

Extinct flying reptile of the order Pterosauria, existing in the Mesozoic age. They ranged from the size of a starling to the 12 m/39 ft wingspan of
Arambourgiania philadelphiae; the largest of the pterosaurs discovered so far. Some had horns on their heads that, when in flight, made a whistling to roaring sound. Pterosau...
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https://www.encyclo.co.uk/local/21221

any flying reptile of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having the outside digit of the forelimb greatly elongated and supporting a wing membrane.
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https://www.infoplease.com/dictionary/pterosaur
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