提示：此条目的主题不是瘤茎羽苔。羽茎瘤是鸟类的次级飞羽（secondaries）或初级飞羽（primaries）通过韧带与骨骼相连接的地方，在相应骨骼上表现为小突起。
参考来源
- ScienceDaily (Sep. 20, 2007) Velociraptor Had Feathers （页面存档备份，存于互联网档案馆）
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