| details |
Maastrichtian |
|
Canada(Alberta) |
Nambudiri,E.M.V. et al. Paleobotany, palynology and depositional environmen of the Maestrichtian Whitemud Formation in Alberta and Saskatchewan, Canada. |
1991 |
| details |
Maastrichtian |
|
Canada(Saskatchewan) |
Nambudiri,E.M.V. et al. Paleobotany, palynology and depositional environmen of the Maestrichtian Whitemud Formation in Alberta and Saskatchewan, Canada. |
1991 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Maastrichtian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| original |
Late Maastrichtian |
|
Canada(Alberta) |
Binda,P.L. et al. Two new species of Erlansonisporites from the Whitemud Formation (Maastrichtian), Alberta, Canada. |
1988 |