| original |
Kimmeridgian |
|
USSR(WSL) |
Krasnova,L.M. et al. Selaginellaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| details |
Middle Jurassic |
|
USSR(Kazakh SSR) |
Kuzichkina,Y.M. The vegetation of Middle Asia in Triassic and Jurassic time according to paleopalynological data. (In: On the Methods in Paleopalynological Studies.) |
1966 |
| details |
Late Jurassic |
|
USSR(Kazakh SSR) |
Murakhovskaya,E.I. et al. Upper Cretaceous deposits in Semipalatinskaya Pre-Irtyshskoye and the Pecularities of their pollen and spore contents. |
1976 |