| original |
Early Valanginian |
Middle Valanginian |
Canada(NWT,Mackenzie) |
McIntyre,D.J. et al. Valanginian miospore and microplankton assemblages from the northern Richardson Mountains, District of MacKenzie, Canada. |
1980 |
| original |
Early Cretaceous |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. Taxonomic notes and Illustrations of selected dinoflagellate cyst species from the Gulf Mobil Parsons N-10 Well. |
1976 |
| original |
Valanginian |
Hauterivian |
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Lithostratigraphy and dinoflagellate cyst succession in the Gulf Mobil Parsons N-10 Well, District of MacKenzie. |
1976 |