| details |
Late Volgian |
Late Ryazanian |
Barents Sea |
Smelror,M. et al. The Klippfisk Formation: A new lithostratigraphic unit of Lower Cretaceous platform carbonates on the western Barents Shelf. |
1998 |
| details |
Late Rhuddanian |
Late Aeronian |
China(Guizhou) |
Li,J. et al. Planktonic algal microfossils from Early Silurian of northern Guizhou, South China |
1999 |
| details |
Middle Muschelkalk |
|
Germany(Niedersachsen) |
Rжhling,S. The Middle Muschelkalk in drillings of Northern Germany: Facies, geochemistry, Zyklo and sequence stratigraphy. |
2000 |