| 单词 | arthrodire |
| 释义 | arthrodire —arthrodiran /ahr'threuh duy"reuhn/, arthrodirous, adj. /ahr"threuh duyeur'/, n. 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. [ < NL Arthrodira, equiv. to arthro- ARTHRO- + -dira < Gk deiré neck, throat] |
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