| details |
Early Hauterivian |
Late Hauterivian |
USSR(Kazakh SSR) |
Shakhmundes,V.A. Stratigraphy of Hauterivian deposits in northern Pre-Caspian based on palynology. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Early Hauterivian |
|
USSR(WSL) |
Rovnina,L.V. et al. Lower Cretaceous deposits. (In: Complex examination of the Jurassic and Lower Cretaceous stratigraphy of Western Siberia. L.A.Rovnina, editor) |
1978 |
| details |
Middle Jurassic |
|
Canada(W.Canada) |
Pocock,S.A.J. Palynology of the Jurassic sediments of Western Canada, Part 1. Terrestrial species. |
1970 |
| details |
Callovian |
Early Cretaceous |
USSR(WSL) |
Pocock,S.A.J. Palynology of the Jurassic sediments of Western Canada, Part 1. Terrestrial species. |
1970 |
| 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 |
| original |
Callovian |
Early Cretaceous |
USSR(WSL) |
Malyavkina,V.S. et al. Pinaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |