| details |
Torridonian |
|
Scotland(Ross/Cromarty) |
Naumova,S.N. et al. Discovery of plant remains (Spores) in the Torridonian Slates of Scotland. |
1961 |
| details |
Late Riphean |
Early Cambrian |
USSR(Irkutskaya Oblast) |
Zhuravleva,Z.A. et al. Stratigraphy of the Ushakovka Suite of the Irkutsk Amphitheater. |
1966 |
| details |
Late Precambrian |
Early Cambrian |
USSR |
Naumova,S.N. Plant microfossils of Precambrian and Lower Cambrian of Eurasia and their significance for stratigraphy. |
1974 |
| details |
Late Riphean |
|
USSR(Siberia) |
Meyerhoff,A.A. Geology and petroleum fields in Proterozoic and Lower Cambrian Strata, Lena-Tunguska Petroleum Province, Eastern Siberia, USSR. (In: Giant Oil and Gas Fields of the Decade 1968-1978. M.T. Halbouty, editor) |
1980 |