| details |
Early Paleozoic |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. et al. New data on the age of ancient deposits in the Dnieper Donetzs Basin |
1973 |
| details |
Nd |
|
Romania |
Givulescu,R. The fossil flora of Roumania; Second Supplement, first Part. |
1973 |
| details |
Nd |
|
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
| details |
Late Proterozoic |
|
USSR(Novosibirskaya) |
Vinogradov,V.A. et al. The stratigraphy of Permian deposits on the Bolshoy Lyakovskiy Island. |
1974 |
| details |
Nd |
|
USSR(Yakut ASSR) |
Vinogradov,V.A. et al. Identification of Permian sediments on Bolshoy Lyakhov Island. |
1975 |
| details |
Algonkian |
|
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |