| 释义 |
Neognathae
Neognathae[nē′äg·nə‚thē] (vertebrate zoology) A superorder of the avian subclass Neornithes, characterized as flying birds with fully developed wings and sternum with a keel, fused caudal vertebrae, and absence of teeth. Neognathae
Neognathae one of the two major groups of living birds, including the flying forms. The group is distinguished by having a small prevomer bone which does not touch the pterygoid bones. Compare PALAEOGNATHAE. |