| details |
Late Bajocian |
|
Canada(W.Canada) |
Pocock,S.A.J. Palynology of the Jurassic sediments of western Canada. Part 2. Marine species. |
1972 |
| details |
Bajocian |
Bathonian |
France(Normandie) |
Pocock,S.A.J. Palynology of the Jurassic sediments of western Canada. Part 2. Marine species. |
1972 |
| details |
Hettangian |
Early Toarcian |
Canada(Arctic) |
Suneby,L.B. et al. Palynological zonation of the Heiberg Formation (Triassic-Jurassic) eastern Sverdrup Basin, Arctic Canada. |
1988 |
| details |
Early Bathonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Jurassic |
|
France(Normandie) |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |