| original |
Early Jurassic |
|
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Hettangian |
Toarcian |
USSR(Urals) |
Malyavkina,V.S. Spore and pollen complexes of Mesozoic deposits of the South-East of the Russian Platform (Emba and West Urals) |
1956 |
| details |
Rhaetian |
|
Sweden |
Nilsson,T. On the occurrence of a Mesozoic oil shale in Schonen. |
1958 |
| details |
Early Jurassic |
|
USSR(Ukrainian SSR) |
Nilsson,T. On the occurrence of a Mesozoic oil shale in Schonen. |
1958 |
| details |
Rhaetian |
Liassic |
W.Germany(Hesse) |
Schulz,E. Study of fossil spores from Rhaetian-Liassic Layers in the central part of the German Basin. |
1967 |
| details |
Early Jurassic |
|
USSR(Ukrainian SSR) |
Schulz,E. Study of fossil spores from Rhaetian-Liassic Layers in the central part of the German Basin. |
1967 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |