| details |
Late Cretaceous |
|
Canada |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
| original |
Late Campanian |
Maastrichtian |
Canada(Alberta) |
Srivastava,S.K. et al. Megaspores of the genus Balmeisporites from the Upper Cretaceous of Alberta and Saskatchewan, Canada. |
1969 |
| 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 |
Campanian |
|
Montana |
Bergad,R.D. North American species of the Cretaceous megaspores Balmeisporites and Monophyllosporites. |
1973 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Bergad,R.D. North American species of the Cretaceous megaspores Balmeisporites and Monophyllosporites. |
1973 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Bergad,R.D. North American species of the Cretaceous megaspores Balmeisporites and Monophyllosporites. |
1973 |
| details |
Turonian |
|
USSR(Primorsk Kray) |
Petrosyants,M.A. Spore and pollen assemblages of marine and Continental deposits of the Turonian in northern Priaralsk. |
1976 |
| details |
Late Campanian |
Maastrichtian |
Canada(Alberta) |
Srivastava,S.K. The Cretaceous megaspore genus Ghoshispora. |
1978 |
| details |
Late Maastrichtian |
Early Paleocene |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |