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arthrodire

[ ahr-thruh-dahyuhr ]
/ ˈɑr θrəˌdaɪər /
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noun

any of numerous fishes of the extinct order Arthrodira, widely distributed during the Devonian Period, having the anterior part of the body covered by a shield of bony plates.

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Origin of arthrodire

<New Latin Arthrodira, equivalent to arthro-arthro- + -dira<Greek deirḗ neck, throat
ar·thro·di·ran [ahr-thruh-dahy-ruhn], /ˌɑr θrəˈdaɪ rən/, ar·thro·di·rous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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