| original |
Senonian |
Danian |
USSR(Tomskaya Oblast) |
Kondinskaya,L.I. Fossil spores of Water ferns in Upper Cretaceous and Paleogene Deposts of West Siberian Lowland |
1966 |
| details |
Late Cretaceous |
|
Canada |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. et al. Megaspores of the genus Balmeisporites from the Upper Cretaceous of Alberta and Saskatchewan, Canada. |
1969 |
| details |
Late Cretaceous |
Early Tertiary |
USSR(WSL) |
Srivastava,S.K. Systematic revision of the genus Styx Norton and Hall, 1967. |
1971 |
| details |
Senonian |
Danian |
USSR(Tomskaya Oblast) |
Srivastava,S.K. Systematic revision of the genus Styx Norton and Hall, 1967. |
1971 |
| 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 |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Late Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. The Cretaceous megaspore genus Ghoshispora. |
1978 |
| details |
Senonian |
Danian |
USSR(Tomskaya Oblast) |
Srivastava,S.K. The Cretaceous megaspore genus Ghoshispora. |
1978 |
| details |
Nd |
|
Nd |
Yang,J. et al. Megaspores and their geological significance. |
1985 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |