RNames - Relation: 220210
| Name 1 | Twinbuttean - Regio_Stage / Regional Standard - 3 - Global |
|---|---|
| Name 2 | 50.3 - mya / Absolute age - 1 - Global |
| Belongs to | No |
RNames - Relation #220210: List of References
| First Author | Year | Title | Link | Action |
|---|---|---|---|---|
| Woodburne, M. O. | 1987 | A prospectus of the North American Mammal Ages | None |