| 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 |
Late Permian |
|
USSR(Gorki) |
Dibner,A.F. On two spore-pollen complexes from deposits of the Pechora Series. (In: Scientific Notes, Palaeontology and biostratigraphy) |
1963 |
| details |
Early Permian |
|
USSR(Astrachan) |
Efremova,G.D. Palynological study of Early Permian deposits of the Astrakhanskogo Uplift. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Early Permian |
|
USSR(Kazakh SSR) |
Abramova,S.A. et al. The application of palynological investigation in the study of Salt Domes of the Precaspian |
1964 |
| details |
Nd |
|
USSR(Pre-Urals) |
Muir,M.D. et al. An annotated bibliography of the Tasmanaceae and of related living forms (Algae; Prasinophyceae). (In: Organic Microfossiles of the Paleozoic. #3: The acritarchs. S. Jardine, editor) |
1971 |
| details |
Late Permian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Permian |
Late Permian |
USSR(Pre-Urals) |
Jansonius,J. et al. Genera File of fossil spores. Supplement 7 |
1983 |