| details |
Late Proterozoic |
Late Ordovician |
Romania |
Givulescu,R. The fossil flora of Roumania; Second Supplement, first Part. |
1973 |
| details |
Late Precambrian |
Early Cambrian |
Romania |
Iliescu,V. et al. On the presence of the Lower Cambrian in the East Carpathians: Epimetamorphic Tulghes Series. |
1971 |
| details |
Late Riphean |
Early Cambrian |
Romania |
Iliescu,V. et al. Palynological data on the metamorphic series of the Tisa-Ciuc Area, (East Carpathians). |
1970 |
| details |
Late Precambrian |
Early Cambrian |
Arizona |
Downie,C. Palynology of the Chuaria Shales of the Grand Canyon. |
1969 |
| details |
Riphean |
Cambrian |
Romania |
Iliescu,V. et al. Palynological data on the metamorphic series of the Tisa-Ciuc area (East Carpathians). |
1969 |
| details |
Early Cambrian |
|
USSR(Belorussian SSR) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Rudavskaya,V.A. et al. On the stratigraphy of Cambrian deposits of Pre-Baikal |
1963 |
| details |
Middle Cambrian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| original |
Early Cambrian |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |