| original |
Early Permian |
Late Permian |
USSR(Pre-Urals) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Kungurian |
|
Europe |
Hart,G.F. A review of the classification and distribution of the Permian miospore-Disaccate Striatiti. |
1964 |
| details |
Early Permian |
Late Permian |
USSR(Pre-Urals) |
Hart,G.F. A review of the classification and distribution of the Permian miospore-Disaccate Striatiti. |
1964 |
| details |
Nd |
|
Nd |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Early Triassic |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. Biostratigraphy of the Triassic of the Pechorsk District. |
1966 |
| details |
Middle Triassic |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. Biostratigraphy of the Triassic of the Pechorsk District. |
1966 |
| details |
Late Permian |
|
Europe |
Sergeeva,L.A. New data on the Permian deposits of the North-Western edge of the Marmaroshskogo Massive |
1983 |
| details |
Late Permian |
|
USSR(Carpathians) |
Sergeeva,L.A. et al. The importance of microphytofossils for the Paleozoic stratigraphy of the Carpathian-Balkan Region. (In: Geology of the Soviet Carpathians) (N.P.Semenenko-Eds) |
1984 |