| original |
Rhaetian |
Liassic |
Sweden |
Nilsson,T. On the occurrence of a Mesozoic oil shale in Schonen. |
1958 |
| details |
Sinemurian |
Early Toarcian |
USSR(Turkmen SSR) |
Barkhatnaya,I.N. et al. Spores and pollen of the Jurassic deposits of the Turanian Platform. (In: Atlas of Spores and Pollen of Oil and Gas Bearing Deposits of the Russian and Turonskoi Platform. V.V.Menner and T.V.Byvsheva, editors) |
1985 |
| details |
Rhaetian |
Liassic |
Sweden |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Pliensbachian |
|
USSR(Middle Asia Prov.) |
Vakhrameev,V.A. et al. Subdivision of the Continental Jurassic based on plants. (In: The Jurassic Ammonite zones of the Soviet Union. G.Y.Krymholts et al, editors) |
1988 |
| details |
Hettangian |
|
Sweden |
Guy-Ohlson,D. The use of dispersed palynomorphs referable to the form genus Chasmatosporites (Nilsson) Pocock and Jansonius, in Jurassic biostratigraphy. |
1988 |