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词汇 crossopterygian
释义 cros·sop·te·ryg·i·an AHD[krŏ-sŏp'tə-rĭjʹē-ən] D.J.[krɒˌsɒptəˈrɪdʒiːən]K.K.[krɑˌsɑptəˈrɪdʒiən]n.(名词)
  1. A member of the Crossopterygii, a group of bony fishes with paired, rounded fins that are extinct except for the coelacanths and are regarded as ancestors of amphibians and other terrestrial vertebrates.总鳍鱼:一种总鳍目鱼,长有成对的圆形鳍,除了空鳍鱼类的鱼之外现已全部灭绝,被认为是两栖纲动物和其它陆生脊椎动物的祖先
Etymology语源
    1. From New Latin Crossopterygia [subclass name] 源自 新拉丁语 Crossopterygia [亚纲名]
    1. Greek krossoi [fringe] from krossōtos [fringed] from krossai [projecting stone blocks] 希腊语 krossoi [边缘] 源自 krossōtos [有边缘的] 源自 krossai [突兀的大石块]
    1. Greek pterugia [fins] 希腊语 pterugia [鳍]
    1. pl. diminutive of pterux pterug- [wing] * see pterygoid pterux的复数小后缀 pterug- [翅膀] * 参见 pterygoid
Related Forms继承用法crossop'terygʹian adj.(形容词)
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