Ornithosauria definitions

Ornithosauria

• (n. pl.) An order of extinct flying reptiles; -- called also Pterosauria.
Found on http://thinkexist.com/dictionary/meaning/ornithosauria/

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Ornithosauria

Or·ni`tho·sau'ri·a noun plural [ New Latin See Ornitho- , and Sauria .] (Paleon.) An order of extinct flying reptiles; -- called also Pterosauria .
Found on http://www.encyclo.co.uk/webster/O/33

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