| original |
Early Jurassic |
Middle Jurassic |
USSR(WSL) |
Klimko,S.A. Osmundaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| details |
Middle Jurassic |
|
USSR(European) |
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 |
| details |
Volgian |
|
USSR(Taymyr Nat.Okrug) |
Grigoreva,K.N. Palynological characteristics of Upper Jurassic deposits of the Kheta River (Yenisey-Khatansk Trough). (In: Stratigraphy and Paleontology of Siberia) |
1981 |
| details |
Kimmeridgian |
Hauterivian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Dogger |
|
USSR(Altai Kray) |
Adamenko,O.M. et al. Principal outlines of structure and conditions of forming of second structural (Lower-Middle Jurassic) Stage of Kulundinskaya Depression |
1967 |