| details |
Algonkian |
|
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Nd |
|
Nd |
Jagielska,L. Flora of the Cambrian;Microflora |
1972 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Cambrian |
|
Mongolian Republic |
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 |
Late Precambrian |
Early Cambrian |
Arizona |
Downie,C. Palynology of the Chuaria Shales of the Grand Canyon. |
1969 |
| details |
Proterozoic |
|
Antarctica |
Vialov,O.S. et al. First find of ancient spores in Antarctica |
1959 |
| details |
Early Cambrian |
|
Antarctica |
Korotkevich,E.S. et al. The age of the east Antarctic rocks. |
1959 |