Medullary bone in an Early Cretaceous enantiornithine bird and discussion regarding its identification in fossils
oleh: Jingmai O’Connor, Gregory M. Erickson, Mark Norell, Alida M. Bailleul, Han Hu, Zhonghe Zhou
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2018-12-01 |
Deskripsi
Medullary bone is used by modern female birds as a calcium reservoir for eggshell production. Here, O’Connor and colleagues propose criteria for identifying medullary bone in fossils and report medullary bone from a Cretaceous enantiornithine bird fossil.