| original |
Torridonian |
|
Scotland(Ross/Cromarty) |
Naumova,S.N. et al. Discovery of plant remains (Spores) in the Torridonian Slates of Scotland. |
1961 |
| details |
Precambriam |
Cambrian |
USSR |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Precambriam |
Cambrian |
Scotland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Nd |
|
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Fifth All-Union Colloquium on Precambrian microfossils of the USSR |
1987 |
| details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Status of the study. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |