| details |
Precambriam |
|
USSR |
Golovenok,V.K. Precambrian microfossils in chert and their biostratigraphic significance. |
1989 |
| details |
Precambriam |
Cambrian |
Kazakstan |
Sergeeva,V.N. Microfossils from transitional Precambrian - Phanerozoic strata of Central Asia. |
1989 |
| details |
Precambriam |
|
USSR |
Weiss,A.F. Microfossils in the Precambrian stratigraphy of the USSR. |
1989 |
| details |
Riphean |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of microfossil assemblages of Gangolihat Dolomite, Kumaun, Lesser Himalaya. |
1989 |
| details |
Riphean |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of microfossil assemblages of Gangolihat Dolomite, Kumaun, Lesser Himalaya. |
1989 |
| details |
Late Albian |
|
Canada(Alberta) |
Leckie,D.A. et al. Organic-rich, radioactive marine Shale; A case study of a shallow-water condensed section Cretaceous Shaftesbury Formation, Alberta, Canada. |
1990 |
| details |
Ludlovian |
|
Brazil(Para) |
Oliveira,S.F. et al. Silurian acritarchs from the Trombetas Formation, Amazon Basin |
1990 |
| 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 Ordovician |
|
USSR(Estonian SSR) |
Kheinsalu,K. et al. Cambrian-Ordovician boundary beds in the Saka Ii section, Northern East Estonia. |
1990 |
| details |
Early Ordovician |
|
USSR(Estonian SSR) |
Kheinsalu,K. et al. Cambrian-Ordovician boundary beds in the Saka Ii section, Northern East Estonia. |
1990 |
| details |
Nd |
|
Poland |
Gunia,T. Microfossils from the paragneisses of Braszowice vicinity, (Fore-Sudetic Block) |
1990 |
| details |
Riphean |
Early Cambrian |
Norway |
Vidal,G. et al. Micropaleontology, depositional environment and biostratigraphy of the Upper Proterozoic Hedmark Group, Southern Norway. (In: Proterozoic Evolution and Environments. A.H.Knoll and J.H.Ostrom, editors) |
1990 |
| details |
Late Nammalian |
Sinemurian |
New Zealand |
de Jersey,N.J. et al. Triassic and Earliest Jurassic miospores from the Murihiku Supergroup, New Zealand. |
1990 |
| original |
Griesbachian |
|
China(Zeijing) |
Ouyang,S. et al. Palynology of Upper Permian and Lower Triassic Rocks, Meishan, Changxing County, Zhejiang Province, China. |
1990 |
| details |
Valanginian |
Hauterivian |
Antarctica(Offshore) |
Mohr,B.A.R. Early Cretaceous palynomorphs from ODP Sites 692 and 693, the Weddell Sea, Antarctica |
1990 |
| details |
Early Asselian |
|
Antarctica |
Larsson,K. et al. An Early Permian palynoflora from Milorgfjella, Dronning Maud Land, Antarctica. |
1990 |
| details |
Early Oxfordian |
|
England(Dorset) |
Stancliffe,R.P.W. Acritarchs and other Non-Dinophycean marine palynomorphs from the Oxfordian, (Upper Jurassic), of Skye, western Scotland and Dorset, Southern England. |
1990 |