| original |
Late Liassic |
|
Poland |
Marcinkiewicz,T. Megaspore analysis of Jurassic sediments near Gorzow Slaski-Praszka, (Cracow-Wielun Region). |
1960 |
| details |
Liassic |
|
Poland |
Dadlez,R. et al. Results obtained in Bore-Hole Mechowo Ig 1. |
1964 |
| details |
Early Jurassic |
|
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Toarcian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Toarcian |
|
Poland |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |