| details |
Induan |
Olenikian |
Russia(Siberia) |
Yaroshenko,O.P. Palynology and phytogeography of the Early Triassic |
1997 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Nd |
|
Nd |
Pi©rart,P. The evolution of the megaspores. |
1961 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Early Triassic |
|
China(Shansi) |
Liu,H. et al. Continental Triassic lithostratigraphic units in Shanxi Province: Shiqianfeng Group and Ermaying Group. |
1984 |