| details |
Early Cambrian |
|
Poland |
Moczydlowska,M. Upper Proterozoic and Lower Cambrian acritarchs from Poland-Micropalaeontology biostratigraphy and thermal study |
1989 |
| details |
Early Cambrian |
Middle Cambrian |
Sweden(Gotland) |
Hagenfeldt,S.E. Lower Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |
| details |
Early Cambrian |
Middle Cambrian |
Baltic Sea |
Hagenfeldt,S.E. Lower Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |
| details |
Early Cambrian |
Middle Cambrian |
Finland |
Hagenfeldt,S.E. Lower Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |
| details |
Middle Cambrian |
|
Bothnian Gulf/Sea |
Hagenfeldt,S.E. Lower 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 |
Precambriam |
Cambrian |
Kazakstan |
Sergeeva,V.N. Microfossils from transitional Precambrian - Phanerozoic strata of Central Asia. |
1989 |
| details |
Early Cambrian |
|
Sweden |
Eklund,C. Lower Cambrian acritarch stratigraphy of the Barstad 2 core, Ostergotland, Sweden. |
1990 |
| original |
Early Cambrian |
Middle Cambrian |
USSR(Lithuanian SSR) |
Yankauskas,T.V. Biostratigraphy of the Lower and Middle Cambrian boundary Beds of Lithuania. |
1990 |
| original |
Early Cambrian |
Middle Cambrian |
USSR(Lithuanian SSR) |
Yankauskas,T.V. Biostratigraphy of the Lower and Middle Cambrian boundary Beds of Lithuania. |
1990 |
| details |
Early Cambrian |
|
USSR(Lithuanian SSR) |
Yankauskas,T.V. Biostratigraphy of the Lower and Middle Cambrian boundary Beds of Lithuania. |
1990 |
| 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 |
|
Poland |
Moczydlowska,M. Acritarch biostratigraphy of the Lower Cambrian and the Precambrian-Cambrian boundary in southeastern Poland. |
1991 |
| details |
Middle Cambrian |
|
Poland |
Piskun,L.V. Paleophytic characteristics of the Upper Vendian and Cambrian of the Podlasie-Brest Depression |
1992 |
| original |
Early Cambrian |
Middle Cambrian |
USSR(Belorussian SSR) |
Yankauskas,T.V. et al. Lower and Middle Cambrian acritarch-based biozonation of the Baltic Syneclise and adjacent area (East European Platform). |
1992 |
| original |
Early Cambrian |
Middle Cambrian |
USSR(Baltic) |
Yankauskas,T.V. et al. Lower and Middle Cambrian acritarch-based biozonation of the Baltic Syneclise and adjacent area (East European Platform). |
1992 |
| original |
Early Cambrian |
Middle Cambrian |
USSR(Belorussian SSR) |
Yankauskas,T.V. et al. Lower and Middle Cambrian acritarch-based biozonation of the Baltic Syneclise and adjacent area (East European Platform). |
1992 |