RNames - Relation: 16
| Name 1 | Hirnantian - Stage / Chronostratigraphy - 5 - Global |
|---|---|
| Name 2 | Porkuni - Regio_Stage / Regional Standard - 3 - Baltoscandia |
| Belongs to | No |
RNames - Relation #16: List of References
| First Author | Year | Title | Link | Action |
|---|---|---|---|---|
| Bergström, S.M | 2009 | The new chronostratigraphic classification of the Ordovician System a… | https://www.zotero.… | |
| Cooper & Sadler | 2012 | The Ordovician Period | https://www.zotero.… |