未成熟羽毛在早白垩世热河鸟类生物群幼年反鸟类中的首次报道

邹晶梅, 福雅曼, 王敏, 郑晓廷

First report of immature feathers in juvenile enantiornithines from the Early Cretaceous Jehol avifauna

Jingmai K. O’CONNOR, Amanda FALK, WANG Min, ZHENG Xiao-Ting

Fig. 3 Unusual tail feathers in juvenile Similicaudipteryx STM 4-1, line drawing of rectrices (modified from S. Abramowicz, O’Connor et al., 2012) Abbreviations: er. exposed rachis; other abbreviations see Fig. 1. Scale bar = 1 cm