Yuornis: verschil tussen versies

*Xu L., Buffetaut E., O'Connor J., Zhang X., Jia S., Zhang J., Chang H. & Tong H. 2021. "A new, remarkably preserved, enantiornithine bird from the Upper Cretaceous Qiupa Formation of Henan (central China) and convergent evolution between enantiornithines and modern birds". ''Geological Magazine''