original |
Middle Callovian |
Oxfordian |
Canada(NWT,Franklin) |
Davies,E.H. The dinoflagellate Oppel-zonation of the Jurassic-Lower Cretaceous sequences in the Sverdrup Basin, Arctic Canada. |
1983 |
original |
Late Bathonian |
Callovian |
USSR(Franz Josef Land) |
Smelror,M. Bathonian and Callovian (Middle Jurassic) dinoflagellate cysts and acritarchs from Franz Josef Land, Arctic Soviet. |
1987 |
original |
Late Bathonian |
Callovian |
USSR(Franz Josef Land) |
Smelror,M. Bathonian and Callovian (Middle Jurassic) dinoflagellate cysts and acritarchs from Franz Josef Land, Arctic Soviet. |
1987 |
original |
Late Bathonian |
Early Oxfordian |
Spitsbergen |
Smelror,M. Bathonian to Early Oxfordian dinoflagellate cysts and acritarchs from Kong Karls Land, Svalbard. |
1988 |
original |
Middle Callovian |
Oxfordian |
Canada(Arctic) |
Smelror,M. Chlamydophorella ectotabulata, sp.nov., a Gonyaulacoid dinoflagellate cyst from the Late Bathonian to the Oxfordian of the Arctic |
1989 |
original |
Late Bathonian |
Middle Callovian |
Bulgaria |
Dodekova,L. Dinoflagellate cysts from the Bathonian-Tithonian (Jurassic) of north Bulgaria. I. Taxonomy of Bathonian and Callovian dinoflagellate cysts. |
1990 |