| original |
Late Liassic |
|
Poland |
Marcinkiewicz,T. Megaspore analysis of Jurassic sediments near Gorzow Slaski-Praszka, (Cracow-Wielun Region). |
1960 |
| details |
Early Jurassic |
|
Poland |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Toarcian |
|
Poland |
Rogalska,M. et al. Lower Jurassic microflora. (In: Atlas Skamienialosci Przewodnich i Charakterystycznych. L.Malinowska, W.Bielecka and M.Rogalska, editors.Warsaw) |
1980 |
| details |
Toarcian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |