| details |
Vendian |
Early Cambrian |
Romania |
Olaru,L. et al. The age of epimetamorphic formations of the Rusai Zone, (from the Bistrite Mountains) based on spore-protistologic analysis. |
1979 |
| details |
Late Precambrian |
|
Canada(Newfoundland) |
Hofmann,H.J. et al. Late Precambrian microfossils, southeastern Newfoundland. |
1979 |
| details |
Early Proterozoic |
|
USSR(Taymyr Nat.Okrug) |
Datsenko,V.A. Transitional deposits of the Upper Proterozoic and Lower Cambrian of the Noril'sk Ore-Mining Region. The Siberian Platform. (In: Transitional deposits of the Pre-Cambrian and Cambrian of the Siberian Platform. (Biostratigraphy, paleontology, conditions of Formation.) |
1981 |
| details |
Nd |
|
Nd |
Lindgren,J. Algal Coenobia and Leiospheres from the Upper Riphean of the Turukhank Region, Eastern Siberia. |
1982 |
| details |
Vendian |
Early Cambrian |
Romania |
Olaru,L. et al. Palynostratigraphy of some metamorphic Formations of the eastern Carpatians of Roumania |
1984 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |