| details |
Carboniferous |
Permian |
USSR(Siberia) |
Dryagina,L.L. Spores and pollen. (In: Biostratigraphy of the Paleozoic of the Sayano-Altai Mining Region.Vol. III. Upper Paleozoic. L.L.Khalfina, editor) |
1962 |
| details |
Late Carboniferous |
Permian |
USSR(Siberia) |
Dibner,A.F. Cordaitales pollen from Angaraland. |
1971 |
| details |
Carboniferous |
|
USSR(Kemerovskaya) |
Dryagina,L.L. et al. Spore pollen complexes of the Carboniferous. (In: Biostratigraphy of the Paleozoic of the Sayano-Altai Mining Region.Vol. III. Upper Paleozoic. L.L.Khalfina, editor) |
1962 |
| details |
Nd |
|
Nd |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Permian |
|
USSR(Siberia) |
Odintsova,M.M. et al. On the age of the Almazon Layers of the southern slope of the Anabarsk Anticline. |
1969 |