| details |
Middle Cambrian |
|
USSR(Kalinin) |
Volkova,N.A. Middle and Upper Cambrian acritarchs in the East-European Platform |
1990 |
| details |
Middle Cambrian |
Late Cambrian |
USSR(Yaroslav) |
Volkova,N.A. Middle and Upper Cambrian acritarchs in the East-European Platform |
1990 |
| details |
Precambriam |
|
China |
Xing,Y. et al. Evolution of the terminal Precambrian Biotas and its geological significance |
1990 |
| details |
Late Aptian |
|
England(Wiltshire) |
Hesselbo,S.P. et al. Stratigraphic relations of the Lower Greensand, (Lower Cretaceous) of the Calne area, Wiltshire. |
1990 |
| details |
Late Hauterivian |
|
Nd |
Londeix,L. Dinoflagellate cyst distribution in hemipelagic, (Ardeche, France), and pelagic, (Arc de Castellane, southeast France), sediments from the Vocontian area, of Upper Valanginian to Lower Barremian. Biostratigraphy and relations with sequence stratigraphy. |
1990 |
| details |
Late Valanginian |
|
Nd |
Londeix,L. Dinoflagellate cyst distribution in hemipelagic, (Ardeche, France), and pelagic, (Arc de Castellane, southeast France), sediments from the Vocontian area, of Upper Valanginian to Lower Barremian. Biostratigraphy and relations with sequence stratigraphy. |
1990 |
| details |
Cenomanian |
Turonian |
France(Ardennes) |
Courtinat,B. et al. The dinoflagellate cysts record the variations of Oxygen in the Photic zone; the case of the Cenomanian-Turonian of the Vocontian Basin |
1990 |
| details |
Frasnian |
|
Germany |
Colbath,G.K. Palaeobiogeography of Middle Palaeozoic organic-walled phytoplankton. (In: Palaeozoic Palaeogeography and Biogeography. W.S.McKerrow and C.R.Scotese, editors) |
1990 |
| details |
Toarcian |
|
France |
Courtinat,B. et al. Dorvilleids and Arabellids, (Annelida) as indicators of Dysaerobic events in well-laminated non-bioturbated deposits of the French Mesozoic. |
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 |
| details |
Pliensbachian |
|
Sweden |
Guy-Ohlson,D. Pliensbachian palynology of the Karindal Bore No.1 North-West Scania, Sweden. |
1990 |
| details |
Changhsingian |
|
China(Zeijing) |
Ouyang,S. et al. Palynology of Upper Permian and Lower Triassic Rocks, Meishan, Changxing County, Zhejiang Province, China. |
1990 |
| details |
Callovian |
|
Germany |
Dimter,A. et al. Callovian, (Middle Jurassic), marine microplankton from Southwestern Germany; biostratigraphy and paleoenvironmental interpretations |
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 |
Scythian |
|
Israel |
Eshet,Y. The palynostratigraphy of the Permian - Triassic Boundary in Israel; Two approaches to biostratigraphy. |
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 |
| details |
Late Oxfordian |
|
Scotland(Hebrides) |
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 |