| original |
Cenomanian |
|
Kansas |
Kovach,W.L. et al. Morphology, ulstrastructure and paleoecology of Paxillitriletes vittatus, sp.nov. from the Midde Cretaceous, (Cenomanian) of Kansas. |
1985 |
| 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 |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Cenomanian |
|
Kansas |
Kovach,W.L. Quantitative methods for the study of Lycopod megaspore ultrastructure |
1989 |
| details |
Cenomanian |
|
Kansas |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| 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 |
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 |
Nd |
|
Nd |
Srivastava,G.K. et al. Megaspores of some Indian species of Isoetes L. and comparable living and fossil forms |
1995 |
| details |
Cretaceous |
|
Nd |
Taylor,T.N. et al. In situ, pollen and spores in plant evolution. 14C -Importance of in situ, pollen and spores in understanding the biology and evolution of fossil plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Cenomanian |
|
Kansas |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |