| details |
Early Ordovician |
|
USSR(Russian Platform) |
German,T.N. Microfossils of Glauconite Layers (Data resulting from an investigation of a core from a borehole near Vologda). (In:Mikrofitofossilii Proterozoya i Rannego Paleozoya SSSR. B.V.Timofeev, editor) |
1974 |
| details |
Tremadocian |
|
USSR(Voronezh) |
Raskatova,L.G. et al. On the question of the age of the Mudstone Layers. (In: Some Questions on the Stratigraphy of the Sedimentary Cover of the Voronezh Anticline. V.P.Semenov, editor) |
1975 |
| details |
Sinian |
|
China(Fukien) |
Xing,Y. et al. Micropalaeophyta. (In: Late Precambrian paleontology of China. Y.Xing et al, editors) |
1985 |
| details |
Precambriam |
|
China |
Xing,Y. Advance on study of Precambrian micropalaeophyta in China. |
1987 |
| details |
Late Precambrian |
Early Cambrian |
China(Liaoning) |
Yin,C. Microflora from the Xingmincun Formation in Luhai of Jinxian County, Liaoning Province and its stratigraphical significance. |
1988 |