| 单词 | palaeognathae |
| 释义 | PalaeognathaePalaeognathae[‚pāl·ē′äg·nə‚thē]PalaeognathaePalaeognathaethe more primitive of the two major groups of living birds, containing the RATITES and the tinamous. In contrast with the NEOGNATHAE, the jaw structure contains a large prevomer bone that contacts the pterygoid bones. |
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