original |
Algonkian |
|
Idaho |
Pflug,H.D. Some remains of lower plants from the Algonkian. |
1966 |
original |
Algonkian |
|
Montana |
Pflug,H.D. Some remains of lower plants from the Algonkian. |
1966 |
original |
Algonkian |
|
Idaho |
Pflug,H.D. Some remains of lower plants from the Algonkian. |
1966 |
original |
Algonkian |
|
Montana |
Pflug,H.D. Some remains of lower plants from the Algonkian. |
1966 |
details |
Early Proterozoic |
|
Romania |
Visarion,A. et al. Determination of the age of a Crystalline Shales from the Apuseni Mountains, (Romania). |
1971 |
details |
Late Proterozoic |
|
Montana |
Schopf,J.W. et al. On the development of Metaphytes and Metazoans. |
1973 |
details |
Late Proterozoic |
|
California |
Schopf,J.W. et al. On the development of Metaphytes and Metazoans. |
1973 |
details |
Early Proterozoic |
|
Romania |
Givulescu,R. The fossil flora of Roumania; Second Supplement, first Part. |
1973 |
details |
Precambriam |
|
India(Karnataka) |
Singh,R.Y. et al. The occurrence of Precambrian microbiota in Sandur Schist Belt, Karnataka State, India. |
1985 |