| original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
| original |
Middle Albian |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| original |
Early Cambrian |
|
China(Yunnan) |
Xing,Y. Microflora of the Sinian System and Lower Cambrian near Kunming, Yunnan and its stratigraphical significance. |
1982 |
| original |
Helvetian |
|
Hungary |
Nagy,E. The microplankton occurring in the Neogene of the Mecsek Mountains |
1965 |
| original |
Early Cambrian |
|
China(Yunnan) |
Xing,Y. Microflora of the Sinian System and Lower Cambrian near Kunming, Yunnan and its stratigraphical significance. |
1982 |