| details |
Permian |
|
USA |
Brush,G.S. Gymnospermous pollen from some Permian and Mesozoic sediments in the United States. |
1962 |
| details |
Permian |
|
USSR(Moldavian SSR) |
Kaptsan,V.Kh. et al. New information on Upper Paleozoic deposits in Moldavia. |
1963 |
| 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 |
Carboniferous |
Permian |
USSR(Urals) |
Malakhov,A.A. et al. New information on the age of the Sakmara and Ulu-Tau South Urals Suites |
1965 |
| details |
Carboniferous |
|
Nd |
Potonie,R. Main trends in the evolution of spores. |
1971 |
| details |
Late Permian |
|
USSR(Russian Platform) |
Lutkevich,E.M. et al. Permian System. (In: Stratigraphy and Paleogeography of the Sinian, Paleozoic and Triassic of the Western Russian Platform. E.M.Lutkevich and A.K.Krilova, editor) |
1973 |