| original |
Late Triassic |
Early Jurassic |
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Kimmeridgian |
Early Valanginian |
Europe |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |
| details |
Oxfordian |
Tithonian |
Canada |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |
| details |
Early Kimmeridgian |
Late Valanginian |
Europe |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |
| details |
Late Triassic |
Early Jurassic |
USSR(Ukrainian SSR) |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |
| details |
Berriasian |
Early Valanginian |
W.Germany(Niedersachsen) |
Dжrhжfer,G. Palynology and stratigraphy of the Buckeburg Formation (Berriasian-Valanginian) in the Hilsmulde (northwest Germany). |
1977 |
| details |
Late Triassic |
Early Jurassic |
USSR(Ukrainian SSR) |
Dжrhжfer,G. Palynology and stratigraphy of the Buckeburg Formation (Berriasian-Valanginian) in the Hilsmulde (northwest Germany). |
1977 |
| details |
Jurassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |