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单词 arthrodire
释义

Definition of arthrodire in English:

arthrodire

noun ˈɑːθrədʌɪə
  • A member of the extinct order Arthrodira of placoderm fishes, which are known from Devonian fossil deposits and have a bony head-shield that is articulated at the neck to another bony shield covering the upper part of the body.

Origin

Late 19th century; earliest use found in American Naturalist. From scientific Latin Arthrodira, order name from ancient Greek ἄρθρον joint + δειρή (Attic δέρη) neck.

Definition of arthrodire in US English:

arthrodire

nounˈɑːθrədʌɪə
  • A member of the extinct order Arthrodira of placoderm fishes, which are known from Devonian fossil deposits and have a bony head-shield that is articulated at the neck to another bony shield covering the upper part of the body.

Origin

Late 19th century; earliest use found in American Naturalist. From scientific Latin Arthrodira, order name from ancient Greek ἄρθρον joint + δειρή (Attic δέρη) neck.

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更新时间:2025/6/18 14:34:01