| details |
Tremadocian |
Arenigian |
China(Shanghai) |
Hu,Y. Micropalaeoflora from the Early Ordovician in Gaoqiao Region of Shaanxi and its stratigraphic significance. |
1986 |
| details |
Middle Proterozoic |
|
China(Kiangsi) |
Yan,Y.-Z. et al. Significance of Eucaryotic organisms in the microfossil flora of changcheng system |
1993 |
| details |
Middle Cambrian |
|
Sweden |
Hagenfeldt,S.E. Acritarch assemblages of Early and Middle Cambrian age in the Baltic Depression and South-Central Sweden |
1988 |
| details |
Middle Cambrian |
|
Sweden |
Hagenfeldt,S.E. Middle Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |
| details |
Middle Cambrian |
|
Sweden |
Hagenfeldt,S.E. Lower Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |
| details |
Middle Cambrian |
|
USSR(Latvian SSR) |
Volkova,N.A. Acritarchs from boundary layers of Lower-Middle Cambrian of West Latvia. |
1974 |
| details |
Middle Cambrian |
|
USSR(Russian Platform) |
Volkova,N.A. Acritarchs from boundary layers of Lower-Middle Cambrian of West Latvia. |
1974 |
| details |
Late Precambrian |
|
China(Shansi) |
Yan,Y.-Z. et al. Discovery of Acanthomorphic acritarchs from the Baicaoping Formation in Yongji, Shanxi and its geological significance. |
1992 |
| details |
Early Cambrian |
|
Finland |
Tynni,R. Lower Cambrian fossils and acritarchs in the sedimentary rocks of Soderfjarden, Western Finland. |
1978 |
| details |
Early Cambrian |
|
Sweden |
Vidal,G. Lower Cambrian acritarch stratigraphy in Scandinavia. |
1981 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Belorussian SSR) |
Golubtsov,V.K. Stratigraphic and paleontological research in Byelorussia. |
1978 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
Mens,K.A. et al. Stratotypes sections of the Cambrian Formation of Estonia |
1977 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Latvian SSR) |
Brangulis,A.P. et al. Stratigraphy of ancient Terrains in the transition zone of the Baltic and Moscow Syneclises |
1975 |
| details |
Early Cambrian |
Middle Cambrian |
Poland |
Moczydlowska,M. et al. Lower Cambrian acritarch zonation in southern Scandinavia and southeastern Poland. |
1986 |
| details |
Early Cambrian |
|
Sweden |
Moczydlowska,M. et al. Lower Cambrian acritarch zonation in southern Scandinavia and southeastern Poland. |
1986 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
Yankauskas,T.V. et al. Micropaleotological characteristic of the stratotype sections of the Estonian Lower Cambrian. |
1973 |
| details |
Early Cambrian |
|
Spitsbergen |
Knoll,A.H. et al. Micropaleontology across the Precambrian-Cambrian boundary in Spitsbergen |
1987 |