| details |
Early Jurassic |
Middle Jurassic |
USSR(Siberia) |
Odintsova,M.M. Composition of the plant Cover of the central part of the Sayano-Vilyuysk Basin during the Early and Middle Jurassic Epochs. |
1969 |
| details |
Middle Jurassic |
|
USSR(Kazakh SSR) |
Kondratev,G.K. et al. Spore-pollen spectra from Middle Jurassic Beds of Zyryanovsk Basin |
1965 |
| details |
Early Jurassic |
|
USSR(Kazakh SSR) |
Ilyina,V.I. Comparison of spore and pollen assemblages of Jurassic deposits of northeastern Kazakstan and the Kuznetsk Basin. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |