| details |
Middle Carboniferous |
Late Carboniferous |
USSR(Kazakh SSR) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Early Carboniferous |
|
USSR(Siberia) |
Kovalenko,L.A. Materials for the investigation of spores and pollen of the Ostroysk Formation of Kuznetsk Basin |
1956 |
| details |
Visean |
Namurian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores and pollen of Lower Carboniferous deposits of the Western extension of the Donetz Basin and their values for stratigraphy. |
1956 |
| details |
Late Permian |
Early Triassic |
USSR(Yakut ASSR) |
Safyainikov,Y.V. Concerning the formation, size and age of the Lower Triassic Tuffogenic structure of South Western Yakuts. (In: Material on the Biostratigraphy and Paleogeography of Eastern Siberia) |
1975 |
| details |
Triassic |
|
USSR(Nenets Nat.Okrug) |
Vibritskas,A.E. et al. Redeposited miospores in the Permian and Triassic deposits of the Pechora Basin |
1977 |
| details |
Middle Triassic |
Late Triassic |
USSR(Nenets Nat.Okrug) |
Virbitskas,A.B. et al. Redeposited miospores in Permian and Triassic deposits of the Pechorsk Basin |
1977 |