| original |
Early Gothlandian |
|
USSR(Krasnoyarsk Kray) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Ordovician |
|
USSR(Irkutskaya Oblast) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| original |
Early Gothlandian |
|
USSR(Taymyr Nat.Okrug) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Early Ordovician |
Middle Ordovician |
Romania |
Boldor,C. et al. On the presence of the Ordovician in the Fenes Region, (South Carpathians - East Banat). |
1972 |
| details |
Ordovician |
Silurian |
Romania |
Nastaseanu,S. et al. Paleogeographic evolution of Carboniferous terrains. General summary of the Paleozoic of Rumania. |
1975 |
| details |
Ordovician |
|
Romania |
Givulescu,R. Fossil flora of Romania. (3rd Supplement) |
1978 |
| details |
Silurian |
|
USSR(Siberia) |
Tesakov,Y.I. Key Beds of the Silurian of the Gorbiachin River Region. (In: Silur Sibirskoy Platformy;Opornyve Razezy Severo-Zapada Sibirskoy Platformy. B.S.Sokolov et al, editor) |
1980 |
| details |
Late Precambrian |
|
India(Andhra Pradesh) |
Maithy,P.K. et al. Microbiota from subsurface of Ganga Basin |
1983 |
| details |
Late Llandoverian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Arenigian |
Llanvirnian |
China(Yunnan) |
Fang,X. Ordovician micropaleoflora in Kunming-Luquan Region, Yunnan Province, and its stratigraphical significance. |
1987 |
| details |
Early Gothlandian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |