| original |
Precambriam |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Riphean |
|
Romania |
Iliescu,V. et al. Contributions to the knowledge of the Micro floristic content of the Crystalline Schists complex in the eastern Carpathian |
1965 |
| details |
|
|
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |