| original |
Middle Jurassic |
|
USSR(Krasnoyarsk Kray) |
Sikstel,T.A. et al. Fossil fern Gonatosorus notabilis, n.sp., and its spores. |
1965 |
| details |
Bajocian |
|
USSR(Tadzhik SSR) |
Kuzichkina,Y.M. et al. Trial stratigraphic separation of Lower Mesozoic Continental deposits of Central Asia. (In: Problems of Biostratigraphy of the Continental Massif) |
1959 |
| details |
Middle Jurassic |
|
USSR(Kazakh SSR) |
Kuzichkina,Y.M. Spore pollen complexes from Jurassic Coals from Tyan-Shan. |
1962 |
| details |
Middle Jurassic |
|
USSR |
Kosenkova,A.G. The question of taxonomy and nomenclature of Mesozoic miospores |
1972 |