original |
Late Albian |
|
Canada(Alberta) |
Brideaux,W.W. Recurrent species Groupings in fossil Micro-Plankton assemblages |
1971 |
original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Recurrent species Groupings in fossil Micro-Plankton assemblages |
1971 |
original |
Middle Albian |
Late Albian |
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group, central Alberta, Canada. I. Introductory remarks. Geology and microplankton studies. |
1971 |
original |
Late Albian |
|
Canada(British Columbia) |
Anan-Yorke,R. et al. Microfloras from Upper Albian Neogastroplites zone Sikanni Chief River, Northeastern British Columbia. |
1978 |