
1) Archosaurian 2) Archosaurian reptile 3) Diapsid 4) Diapsid reptile
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https://www.crosswordclues.com/clue/archosaur

1) Dinosaur 2) Ichthyosaur 3) Nothosaur 4) Plesiosaur 5) Plesiosaurus 6) Pterosaur 7) Thecodont
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https://www.crosswordclues.com/clue/archosaur

Archosaurs are a group of diapsid amniotes whose living representatives consist of birds and crocodilians. This group also includes all extinct dinosaurs, extinct crocodilian relatives, and pterosaurs. Archosauria, the archosaur clade, is a crown group that includes the most recent common ancestor of living birds and crocodilians. It includes two ...
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http://en.wikipedia.org/wiki/Archosaur

any of various reptiles, including all crocodiles and birds and all descendants of their most recent common ancestor. Archosaurs (`ruling reptiles`) ... [6 related articles]
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http://www.britannica.com/eb/a-z/a/96

(pronounced ARK-uh-sawr) Archosaurs (meaning 'ruling lizard') were reptiles that dominated the Mesozoic Era. They included the crocodilians, pterosaurs, thecodonts, dinosaurs (and birds).
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

[
n] - extinct reptiles including: dinosaurs
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http://www.webdictionary.co.uk/definition.php?query=archosaur
archosaurian noun extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
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https://www.encyclo.co.uk/local/20974

any reptile of the subclass Archosauria, including the dinosaurs, pterosaurs, and crocodilians and characterized by two pairs of openings in the temporal region of the skull.
Found on
https://www.infoplease.com/dictionary/archosaur
No exact match found.