| original |
Middle Albian |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| details |
Albian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Biostratigraphic determinations from the subsurface of the District of Franklin and MacKenzie and the Yukon Teritory |
1976 |
| details |
Late Cretaceous |
|
Canada(Arctic) |
Sweet,A.R. Jurassic and Cretaceous megaspores. |
1979 |
| details |
Early Cretaceous |
|
Canada(NWT) |
Sweet,A.R. Jurassic and Cretaceous megaspores. |
1979 |
| details |
Cretaceous |
|
Alaska(North Slope) |
Scott,R.A. et al. Some Cretaceous plant Megafossils and microfossils from the Nanushuk Group, northern Alaska |
1979 |
| details |
Middle Albian |
Late Albian |
Canada(Arctic) |
Miall,A.D. Mesozoic and Tertiary geology of Banks Island, Arctic Canada. The history of an unstable craton margin. |
1979 |
| details |
Hauterivian |
Albian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Aptian |
|
Poland |
Mamczar,J. Megaspores. (In: Atlas of Guide and Characteristic Fossils. L.Malinawska, editor) |
1989 |
| details |
Middle Albian |
|
Canada(Alberta) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |