| original |
Hauterivian |
Albian |
USSR(WSL) |
Ivanova,E.A. et al. Schizaeaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| details |
Early Valanginian |
|
E.Germany(Rostock) |
Dжring,H. Spore-palynologic classification of the Wealdean in Western Mecklenburg (Werlestructure). |
1965 |
| details |
Middle Liassic |
Late Liassic |
USSR(Kirghiz SSR) |
Dubrovskaya,E.N. Spore pollen complexes of Lower Mesozoic deposits of some areas of the Issyk-Kul' Basin. (In: Mesozoic Oil and Gas bearing Regions of Central Asia. Biostratigraphy and Paleogeography. M.M.Aliev, editor) |
1967 |