| details |
Late Vendian |
Middle Cambrian |
USSR(Baltic) |
Aren,B. et al. The Baltic Syncline. (In: Stratigraphy of Upper Precambrian and Cambrian deposits on the western part of the East European Platform. B.M.Keller and A.Y.Rozanov, editors) |
1979 |
| details |
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 |
Middle Cambrian |
Baltic Sea |
Hagenfeldt,S.E. Acritarch assemblages of Early and Middle Cambrian age in the Baltic Depression and South-Central Sweden |
1988 |
| details |
Early Cambrian |
Middle Cambrian |
Finland |
Hagenfeldt,S.E. Acritarch assemblages of Early and Middle Cambrian age in the Baltic Depression and South-Central Sweden |
1988 |
| details |
Early Cambrian |
Middle Cambrian |
Bothnian Gulf/Sea |
Hagenfeldt,S.E. Acritarch assemblages of Early and Middle Cambrian age in the Baltic Depression and South-Central Sweden |
1988 |
| details |
Early Cambrian |
Middle Cambrian |
Sweden |
Hagenfeldt,S.E. Acritarch assemblages of Early and Middle Cambrian age in the Baltic Depression and South-Central Sweden |
1988 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Krasnoyarsk Kray) |
Mikhailova,N.C. Acritarchs of the Middle Cambrian of the Sukharikha River, Igarka Region. |
1987 |
| details |
Early Cambrian |
Middle Cambrian |
S.Ireland |
Gardiner,P.R.R. et al. Cambrian and Ordovician microfossils from south-east Ireland and their implications. |
1971 |
| details |
Early Cambrian |
Middle Cambrian |
USSR(Baltic) |
Yankauskas,T.V. Lower and Middle Cambrian acritarch-Based biozonation of the North western part of the East European Platform |
1993 |
| details |
Early Cambrian |
Middle Cambrian |
Poland |
Piskun,L.V. Paleophytic characteristics of the Upper Vendian and Cambrian of the Podlasie-Brest Depression |
1992 |
| details |
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 |
| details |
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 |
| details |
Early Cambrian |
Middle Cambrian |
Poland |
Yankauskas,T.V. et al. Lower and Middle Cambrian acritarch-based biozonation of the Baltic Syneclise and adjacent area (East European Platform). |
1992 |
| details |
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 |
| details |
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 |
| details |
Early Cambrian |
Middle Cambrian |
Poland |
Yankauskas,T.V. et al. Lower and Middle Cambrian acritarch-based biozonation of the Baltic Syneclise and adjacent area (East European Platform). |
1992 |
| details |
Late Tremadocian |
Middle Arenigian |
Argentina(Salta) |
Rubinstein,C.V. et al. Acritarch biostratigraphy of the upper Tremadoc-Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. |
1999 |