| original |
Middle Zechstein |
|
W.Germany(Hesse) |
Leschik,G. Spores from the Salt Clay of the Zechstein of Neuhof (Near Fulda). |
1956 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Zechstein |
|
Germany |
Leschik,G. Spore stratigraphy in the Permian and Triassic. |
1958 |
| details |
Stephanian |
Permian |
Nd |
Alpern,B. Stratigraphic palynology of the Stephanian and Permian. |
1964 |
| details |
Nd |
|
Nd |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Kungurian |
Kazanian |
Nd |
Staplin,F.L. et al. Relationships among Gymnospermous pollen. |
1967 |
| details |
Zechstein |
|
Poland |
Orlowska-Zwolinska,T. Flora of the Permian-Microflora of the Zechstein |
1972 |
| details |
Leonardian |
Ochoan |
North America |
Frederiksen,N.O. The Rise of the Mesophytic flora |
1972 |
| details |
Middle Cenomanian |
|
France(Sarthe) |
Juiget,P. et al. The Black Shales of Ecommoy (Sarthe). |
1972 |
| details |
Early Triassic |
|
China |
Yao,Z.-Q. et al. On the paleophyte-Mesophyte boundary. (In: Papers for the 5th International Palynological Conference.) |
1980 |