| original |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| original |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Ultrastructural studies of selected North American Cretaceous megaspores of Minerisporites, Erlandsonisporites, Horstiporites, and Ricinospora, nov.gen. |
1978 |
| details |
Early Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Aptian |
|
W.Germany(Saarland) |
Schultz,G. et al. The megaspores associated with the Lower Cretaceous sediments filling the Paleokarst near Nehden in Saarland, (Rhenish Massif) Supplement to previously known association |
1987 |
| details |
Aptian |
Maastrichtian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Maastrichtian |
|
North Dakota |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Late Albian |
Cenomanian |
Greenland |
Koppelhus,E.B. et al. A palynological and sedimentological study of Cretaceous floodplain deposits of the Atane Formation at Skansen and Igdlunguaq, Disko, West Greenland. |
1993 |
| details |
Middle Cenomanian |
|
California |
Jameossanaie,A. et al. Palynology and plate tectonics: A case study on Cretaceous terrestrial sediments in the eastern Klamath Mountains of northern California, USA. |
1993 |
| 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 |
Early Aptian |
|
W.Germany(Niedersachsen) |
Batten,D.J. Megaspores from Lowermost Aptian Beds in northern Germany. (In: The Barremian-Aptian Boundary. A Study of profiles from the boreal Cretaceous.E.Kemper, editor) |
1995 |
| details |
Maestrichtian |
|
North Dakota |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |