| details |
Late Cretaceous |
|
Canada(Alberta) |
Speelman,J.D. et al. Megaspore paleoecology |
1980 |
| details |
Wealden |
|
India(Kutch) |
Singh,H.P. et al. Studies on the Upper Gondwana of Cutch-1. Miospores and macrospores. |
1964 |
| details |
Cenomanian |
|
Kansas |
Kovach,W.L. Quantitative methods for the study of Lycopod megaspore ultrastructure |
1989 |
| details |
Maestrichtian |
|
Mongolian Republic |
Krassilov,V.A. et al. Maastrichtian aquatic plants from Mongolia. |
1995 |
| 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 |
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 |
Cenomanian |
|
North Dakota |
Collinson,M.E. et al. Sporopollenin exhibiting colloidal organization in spore walls. |
1993 |
| details |
Cenomanian |
|
South Dakota |
Collinson,M.E. et al. Sporopollenin exhibiting colloidal organization in spore walls. |
1993 |
| details |
Barremian |
Aptian |
Virginia |
Hueber,F.M. Megaspores and a palynomorph from the Lower Potomac Group in Virginia. |
1982 |
| details |
Early Maestrichtian |
|
Mongolian Republic |
Krassilov,V.A. et al. Isoetalean megasporophylls with megaspores from the Upper Cretaceous of Mongolia. |
1996 |
| details |
Late Cretaceous |
|
Greenland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Early Cretaceous |
|
India(Gujarat) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Late Turonian |
Coniacian |
Greenland |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Barremian |
Aptian |
Virginia |
Hueber,F.M. Megaspores and a palynomorph from the Lower Potomac Group in Virginia. |
1982 |
| details |
Middle Cenomanian |
Late Cenomanian |
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Neocomian |
|
India(Gujarat) |
Banerji,J. et al. The fossil floras of Krachchh.2. Mesozoic megaspores. |
1984 |
| 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 |