| details |
Early Tremadocian |
|
Morocco |
Elaouad-Debbaj,Z. Tremadoc acritarchs and chitinozoa from the Middle Anti-Atlas, (Morocco). |
1988 |
| details |
Late Riphean |
|
USSR(Bashkir ASSR) |
Andreev,Y.V. et al. Stratigraphy of the Upper Proterozoic of the Russian Plate and the Western Slope of South Urals |
1981 |
| details |
Early Cambrian |
|
USSR(Kirghiz SSR) |
Ogurtsova,R.N. Plant microfossils of key sections of the Vendian Lower Cambrian of Malogo Karatai |
1985 |
| details |
Valanginian |
Aptian |
Australia(Victoria) |
Backhouse,J. Late Jurassic and Early Cretaceous palynology of the Perth Basin, Western Australia |
1988 |
| details |
Berriasian |
Early Valanginian |
USSR(Nenets Nat.Okrug) |
Gryazeva,A.S. Palynological basis for the stratigraphy of Lower Cretaceous deposits of the Pechorsk Basin. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |