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Villi and the phyly of Wetmore's order Piciformes (Aves)

 

作者: TIM G. BROM,  

 

期刊: Zoological Journal of the Linnean Society  （WILEY Available online 1990）
卷期: Volume 98, issue 1  

页码: 63-72

 

ISSN:0024-4082

 

年代: 1990

 

DOI:10.1111/j.1096-3642.1990.tb01219.x

 

出版商: Blackwell Publishing Ltd

 

关键词: Piciform birds;monophyly;microstructure of feathers;villi

 

数据来源: WILEY

 

摘要:

The occurrence of villi (outgrowths, projections) on the bases of the basalmost downy barbulcs of breast‐feathers is documented with scanning electron microscopy. The presence of these structures is thought to constitute a synapomorphic character for Passeriformes, Trochilidac, Capitonidac, Indicatoridae, Ramphastidae, and Picidae, which once more casts suspicion on the monophylv of Wetmore's order Piciforme

 

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