| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Emsian | France(Rhone) | Moreau-Benoit,A. Some microplankton of the Lower Devonian of Anjou. | 1967 | |
| details | Early Gothlandian | New York | Cramer,F.H. et al. Acritarchs from the Lower Silurian Neahga Formation, Niagara Peninsula, North America. | 1970 | |
| details | Early Gothlandian | Canada(Ontario) | Cramer,F.H. et al. Acritarchs from the Lower Silurian Neahga Formation, Niagara Peninsula, North America. | 1970 |