The completeness of the fossil record of mesozoic birds: implications for early avian evolution.

por Neil Brocklehurst, Paul Upchurch, Philip D Mannion, Jingmai O'Connor
Publicado 2012

Medullary bone in an Early Cretaceous enantiornithine bird and discussion regarding its identification in fossils

por Jingmai O’Connor, Gregory M. Erickson, Mark Norell, Alida M. Bailleul, Han Hu, Zhonghe Zhou
Publicado 2018

An Early Cretaceous enantiornithine (Aves) preserving an unlaid egg and probable medullary bone

por Alida M. Bailleul, Jingmai O’Connor, Shukang Zhang, Zhiheng Li, Qiang Wang, Matthew C. Lamanna, Xufeng Zhu, Zhonghe Zhou
Publicado 2019