| original |
Middle Carboniferous |
Late Carboniferous |
USSR(Evenki Nat.Okrug) |
Kondratev,G.K. The first finds of angiospermae type pollen in Upper Paleozoic Beds of the Tunguska Basin |
1963 |
| details |
Early Permian |
|
Brazil(Rio Grande Sul) |
Anderson,J.M. The biostratigraphy of the Permian and Triassic. Part 3. A review of Gondwana Permian palynology with particular reference to the northern Karoo Basin, South Africa. |
1977 |
| details |
Late Carboniferous |
Permian |
China(N.China) |
Gao,L. et al. Spores and pollen. Carboniferous and Permian spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Early Permian |
|
Brazil |
Grenfell,H.R. Probable fossil Zygnematacean algal spores Genera |
1995 |
| details |
Early Permian |
|
Brazil |
Grenfell,H.R. Probable fossil Zygnematacean algal spores Genera |
1995 |