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 |
Aptian |
Middle Albian |
Canada(NWT,Mackenzie) |
Barnes,C.R. et al. Biostratigraphic determinations of fossils from the subsurface of the Districts of Franklin, Keewatin and MacKenzie and the Yukon Territory. |
1974 |
original |
Aptian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Miospores and microplankton from Aptian-Albian rocks along Horton River, District of MacKenzie |
1975 |