| details |
Carboniferous |
|
France(Jura) |
Navale,G.K.B. Coal- A palyno-petrographic approach. |
1963 |
| details |
Middle Campanian |
Late Campanian |
Canada(Saskatchewan) |
Eberth,D.A. et al. Stratigraphy, sedimentology and vertebrate paleontology of the Judith River Formation (Campanian) near Muddy Lake, westcentral Saskatchewan. |
1990 |
| details |
Late Paleocene |
|
Canada(Saskatchewan) |
Frank,M.C. et al. Peat-forming history of the ancestral Souris mire (Palaeocene), Ravenscrag Formation, southern Saskatchewan, Canada. |
2004 |
| details |
Paleocene |
|
Canada(Saskatchewan) |
Frank,M.C. et al. Peat-forming history of the ancestral Souris mire (Palaeocene), Ravenscrag Formation, southern Saskatchewan, Canada. |
2004 |