| details |
Early Oxfordian |
|
Celtic Sea |
Ainsworth,N.R. et al. Jurassic and Upper Triassic biostratigraphy of the North Celtic Sea and Fastnet Basins. (In:Northwest European Micropalaeontology and Palynology.D.J. Batten and M.C. Keen, editors) |
1989 |
| details |
Late Oxfordian |
|
Arctic Ocean |
Wierzbowski,A. et al. Ammonite and dinoflagellate cyst succession of an Upper Oxfordian-Kimmeridgian Black Shale core from the Nordkapp Basin, southern Barents Sea. |
1990 |
| details |
Callovian |
|
|
Quattrocchio,M.E. et al. Jurassic and Lower Cretaceous dinocyst from Argentina; Their biostratigraphic significance. |
1990 |