| details |
Cenomanian |
|
Iowa |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Late Cretaceous |
Recent |
Nd |
Bergad,R.D. An ultrastructural comparison of walls of living and fossil Salviniaceous and Marsileaceous megaspores |
1972 |
| details |
Nd |
|
Nd |
Campbell,J.D. et al. Two new megaspore species from the Continental Upper Cretaceous (Campanian-Maestrichtian) of the Alberta Plains. |
1972 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Mesozoic |
|
Nd |
Kovach,W.L. A review of Mesozoic megaspore-ultrastructure. (In: Ultrastructure of Fossil Spores and Pollen. M.H.Kurmann and J.A.Doyle, editors) |
1994 |
| details |
Senonian |
|
Czech Republic |
Knobloch,E. Similarities between the Upper Cretaceous (Senonian) floras from Bohemia and the Aachen-Limburg area. (In: Proceedings of the 4th European Palaeobotanical and Palynological Conference. G.W.Herngreen, editor) |
1997 |
| details |
Senonian |
|
Czech Republic |
Knobloch,E. Similarities between the Upper Cretaceous (Senonian) floras from Bohemia and the Aachen-Limburg area. (In: Proceedings of the 4th European Palaeobotanical and Palynological Conference. G.W.Herngreen, editor) |
1997 |
| details |
Senonian |
|
Germany(N.Rhine) |
Knobloch,E. Similarities between the Upper Cretaceous (Senonian) floras from Bohemia and the Aachen-Limburg area. (In: Proceedings of the 4th European Palaeobotanical and Palynological Conference. G.W.Herngreen, editor) |
1997 |
| details |
Senonian |
|
Netherlands |
Knobloch,E. Similarities between the Upper Cretaceous (Senonian) floras from Bohemia and the Aachen-Limburg area. (In: Proceedings of the 4th European Palaeobotanical and Palynological Conference. G.W.Herngreen, editor) |
1997 |
| details |
Senonian |
|
Germany(N.Rhine) |
Knobloch,E. Similarities between the Upper Cretaceous (Senonian) floras from Bohemia and the Aachen-Limburg area. (In: Proceedings of the 4th European Palaeobotanical and Palynological Conference. G.W.Herngreen, editor) |
1997 |
| details |
Nd |
|
Nd |
Collinson,M.E. Diversification of modern Heterosporous Pteridophytes. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| details |
Santonian |
|
Georgia |
Lupia,R. et al. Marsileaceae sporocarps and spores from the Late Cretaceous of Georgia |
2000 |
| details |
Santonian |
|
Georgia |
Lupia,R. et al. Marsileaceae sporocarps and spores from the Late Cretaceous of Georgia |
2000 |
| details |
Late Coniacian |
Early Santonian |
Japan(Honshu I.) |
Takahashi,K. et al. Fossil Megaspores of Marsileales and Selaginellales from the Upper Coniacian to Lower Santonian (Upper Cretaceous) of the Tamagawa Formation (Kuji Group) in Northeastern Japan. |
2001 |
| 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 |
Cenomanian |
|
Iowa |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
| details |
Late Cretaceous |
|
Canada(Arctic) |
Sweet,A.R. Jurassic and Cretaceous megaspores. |
1979 |