| details |
Induan |
|
USSR(Urals) |
Tuzhikova,V.I. Lithology and stratigraphy of the Lower Mesozoic deposits of the Urals. (In: The history of the Lower Mesozoic accumulation of Coals in the Urals) |
1973 |
| details |
Nd |
|
Nd |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Tatarian |
|
Asia |
Hart,G.F. A review of the classification and distribution of the Permian miospore-Disaccate Striatiti. |
1964 |
| original |
Late Permian |
|
USSR(Kazakh SSR) |
Polukhina,V.A. Spore and pollen assemblages of effusive sedimentary layers of Kushmur in the Turgavskaya Basin. |
1960 |