| 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 |
Barremian |
Aptian |
Virginia |
Hueber,F.M. Megaspores and a palynomorph from the Lower Potomac Group in Virginia. |
1982 |
| details |
Barremian |
Aptian |
China(Inner Mongolia) |
Li,W. et al. Early Cretaceous megaspores from the Jalainor Group of northeast Inner Mongolia, P.R.China. |
1987 |
| details |
Barremian |
Coniacian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Barremian |
Aptian |
Virginia |
Hueber,F.M. Megaspores and a palynomorph from the Lower Potomac Group in Virginia. |
1982 |
| 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 |
Cenomanian |
|
Kansas |
Kovach,W.L. Quantitative methods for the study of Lycopod megaspore ultrastructure |
1989 |
| 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 |
Cenomanian |
|
Sweden |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |
| details |
Early Cretaceous |
|
India |
Maheshwari,H.K. et al. Megaspore biostratigraphy of the Gondwana. (In: Concepts, limits and extension of the Indian Gondwana. B.S.Venkatachala and H.K.Maheshwari, editors) |
1988 |
| details |
Early Cretaceous |
|
India(Gujarat) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Early Maestrichtian |
|
Mongolian Republic |
Krassilov,V.A. et al. Isoetalean megasporophylls with megaspores from the Upper Cretaceous of Mongolia. |
1996 |
| details |
Late Cretaceous |
|
Canada(Alberta) |
Speelman,J.D. et al. Megaspore paleoecology |
1980 |
| details |
Late Cretaceous |
|
Greenland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Late Turonian |
Coniacian |
Greenland |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |