| details |
Early Jurassic |
|
USSR(Urals) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Griesbachian |
Toarcian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| original |
Jurassic |
|
USSR(Kazakh SSR) |
Faddeeva,I.Z. Part 5. Lower Mesozoic megaspores of the Or-Ilek Region and their stratigraphic significance. (In: Palynological validation of the stratigraphic division of the Lower Mesozoic Coal-bearing deposits of Or'-Ilek Region.) |
1965 |
| original |
Early Jurassic |
|
USSR(Kazakh SSR) |
Faddeeva,I.Z. Part 5. Lower Mesozoic megaspores of the Or-Ilek Region and their stratigraphic significance. (In: Palynological validation of the stratigraphic division of the Lower Mesozoic Coal-bearing deposits of Or'-Ilek Region.) |
1965 |
| original |
Westphalian C |
|
Turkey |
Yahsiman,K. Some new megaspores in the Turkish Carboniferous and their stratigraphical values. |
1964 |