Neognathae


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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.
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The rhynchokinesis of Neognathae was considered by Zusi (1993) to be an apomorphic condition among birds, derived from the ancestral prokinetic condition with wide nasal openings.
The conical type is only reported in the brown kiwi (Apteryx mantelli); the vaned type is present in ostriches (Struthio camelus) and rheas (Rhea americana) [6]; and pleated form is widely reported in most birds (neognathae) such as quail [5], black kite [1], galah [7], common buzzard [3], mallard [8], pigeon [4], and jungle crow [9].