| details |
Late Cretaceous |
|
Greenland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Campanian |
Maastrichtian |
Canada(Alberta) |
Gunther,P.R. et al. Megaspore palynology of the Brazeau Formation (Upper Cretaceous), Nordegg area, Alberta. |
1970 |
| details |
Campanian |
Maastrichtian |
Canada(Alberta) |
Gunther,P.R. et al. Megaspores and other palynomorphs of the Brazeau Formation (Upper Cretaceous) Nordegg area, Alberta, Canada. |
1972 |
| details |
Maastrichtian |
Danian |
Wyoming |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Maastrichtian |
Danian |
Montana |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Middle Albian |
Late Albian |
Canada(Arctic) |
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 |
Albian |
Campanian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Late Cretaceous |
|
Greenland |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Late Cretaceous |
|
Greenland |
Batten,D.J. et al. Re-examination of seed cuticles from Cretaceous deposits in western Greenland. |
1996 |