| original |
Early Cretaceous |
Late Cretaceous |
Nebraska |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Early Cretaceous |
Late Cretaceous |
Iowa |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Early Cretaceous |
Late Cretaceous |
Arizona |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Late Cenomanian |
|
Spain |
Floquet,M. et al. Detailed stratigraphy, paleogeography and first description of megaspores in the Upper Cenomanian of northern Spain. |
1979 |
| details |
Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Cenomanian |
|
Kansas |
Kovach,W.L. A Cretaceous megaspore flora from the Dakota Formation of Kansas. |
1985 |
| details |
Early Cretaceous |
|
China |
Yang,J. et al. Recent advances of megaspores studies in China. |
1987 |
| details |
Cenomanian |
|
Kansas |
Kovach,W.L. et al. Megaspores and other dispersed plant remains from the Dakota Formation (Cenomanian) of Kansas, USA. |
1988 |
| details |
Cenomanian |
|
Kansas |
Kovach,W.L. Quantitative palaeoecology of megaspores and other dispersed plant remains from the Cenomanian of Kansas, USA. |
1988 |
| details |
Late Albian |
Turonian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Cenomanian |
|
Iowa |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| 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 |