original |
Early Cretaceous |
|
USSR(Siberia) |
Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. |
1956 |
details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes Anabar-Kha Tanga interfluv, Khatanga and Pre-Verkhoyansk Synec Lises and Vilyuy Depression. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
details |
Bathonian |
|
USSR(Kazakh SSR) |
Prosviryakova,Z.P. The Jurassic flora of the Mangyshlak Peninsula and its stratigraphic significance |
1966 |
details |
Rhaetian |
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 |