| 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 |
Early Cambrian |
Middle Cambrian |
Bothnian Gulf/Sea |
Hagenfeldt,S.E. Lower Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |
| details |
Early Cambrian |
Middle Cambrian |
Sweden |
Hagenfeldt,S.E. Lower Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Late Riphean |
|
USSR(Kalmyr ASSR) |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Vendian |
|
USSR(Kazakh SSR) |
Grigaitis,R.K. et al. New Palaeontological data regarding Precambrian deposits of Yuzhnogo Alatau, Central Kazakhstan |
1989 |
| details |
Riphean |
|
USSR(Siberia) |
Mikhailova,N.S. et al. The question of straigraphy of the Precambrian microfossils of the USSR. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Early Cambrian |
|
Sweden |
Eklund,C. Lower Cambrian acritarch stratigraphy of the Barstad 2 core, Ostergotland, Sweden. |
1990 |
| details |
Early Cambrian |
|
England(Oxfordshire) |
Rushton,A.W.A. et al. The Withycombe Formation (Oxfordshire subcrop) is of Early Cambrian age. |
1990 |
| details |
Middle Cambrian |
|
Jordan |
Keegan,J.B. et al. Palynostratigraphy of the Lower Palaeozoic, Cambrian to Silurian, sediments of the Hashemite Kingdom of Jordan. (In: Special Issue: Circum-Mediterranean Palynology. B.Owens and H.Visscher, editors) |
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 |
|
Norway |
Vidal,G. et al. Lower Cambrian acritarchs and Proterozoic-Cambrian boundary in Southern Norway |
1990 |
| details |
Late Vendian |
Early Cambrian |
Poland |
Moczydlowska,M. Acritarch biostratigraphy of the Lower Cambrian and the Precambrian-Cambrian boundary in southeastern Poland. |
1991 |
| details |
Nd |
|
Nd |
Moczydlowska,M. Acritarch biostratigraphy of the Lower Cambrian and the Precambrian-Cambrian boundary in southeastern Poland. |
1991 |
| details |
Early Cambrian |
|
England(Warwickshire) |
Molyneux,S.G. The contribution of Palaeontological data to an understanding of the Early Palaeozoic framework of eastern England |
1991 |
| details |
Early Cambrian |
|
Denmark |
Moczydlowska,M. et al. Phytoplankton from the Lower Cambrian Laesa Formation on Bornholm, Denmark; Biostratigraphy and palaeoenvironmental constraints. |
1992 |