| original |
Early Gothlandian |
|
USSR(Leningrad) |
Naumova,S.N. Spores of the Lower Silurian. |
1950 |
| original |
Early Gothlandian |
|
USSR(Estonian SSR) |
Naumova,S.N. Spores of the Lower Silurian. |
1950 |
| details |
Middle Cambrian |
|
USSR(Russian Platform) |
Andreeva,E.M. Spore complexes of the Upper Proterozoic and Lower Paleozoic of the Russian Platform. |
1960 |
| details |
Eifelian |
|
USSR(Kemerovskaya) |
Andreeva,E.M. et al. New data on the phytostratigraphy of Devonian Deposits in the Altay-Sayan Mountain Region. (In: Contributions to the Phytostratigraphy of Devonian Deposits in the Altay-Sayon Mountain Region, Collected Articles) |
1962 |
| details |
Givetian |
Famennian |
USSR |
Zhizhchenko,V.P. Micropaleontological methods of stratigraphical formulation in oil and gas bearing regions. |
1968 |
| details |
Eifelian |
|
USSR(Permsk Nat.Okrug) |
Araslanova,R.M. The stratigraphic distribution of spores in Devonian terrigenous deposits of the Perm Region of the Kama. |
1973 |
| details |
Middle Devonian |
Late Devonian |
USSR(Belorussian SSR) |
Kedo,G.I. et al. Redeposited spores in Devonian sediments of Belorussia |
1975 |
| details |
Ordovician |
Silurian |
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Frasnian |
|
USSR(Yakut ASSR) |
Peterson,L.N. Characteristics of spore assemblages from Devonian deposits in South-Central Siberia. |
1975 |
| details |
Early Gothlandian |
|
USSR(Leningrad) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Early Gothlandian |
|
USSR(Leningrad) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |