A new enantiornithine bird with four long rectrices from the Early Cretaceous of northern Hebei, China

X. Zheng, Z. Zhang, and L. Hou

2007

Article

Acta Geologica Sinica 81(5):703-708

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Taxa discussed in this work:

• Paraprotopteryx
• Paraprotopteryx gracilis

Taxonomy:

• Paraprotopteryx belongs to Enantiornithes - Zheng et al. (2007)
• Paraprotopteryx gracilis belongs to Paraprotopteryx - Zheng et al. (2007)