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arthrodire
[ahr-thruh-dahyuhr]
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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Other Word Forms
- arthrodiran adjective
- arthrodirous adjective
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Word History and Origins
Origin of arthrodire1
< New Latin Arthrodira, equivalent to arthro- arthro- + -dira < Greek ḗ neck, throat
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Example Sentences
Examples have not been reviewed.
However, more complete arthrodire fossils reveal that these fish had squatter, cylindrical bodies.
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