| original |
Hauterivian |
Aptian |
USSR(Koryak Okrug) |
Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. |
1958 |
| original |
Hauterivian |
Barremian |
USSR(Primorsk Kray) |
Verbitskaya,Z.I. Stratigraphical subdivision of Cretaceous sediments of Suchan Coal Basin based on palynology. |
1962 |
| details |
Hauterivian |
Aptian |
USSR(Primorsk Kray) |
Sedova,M.A. Lower Cretaceous spore-pollen complexes of South Primorsk-Suchansk Coal Fields. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Early Namurian A |
|
Poland |
Jachowicz,A. The stratigraphic Division of Namurian deposits in the Upper Silesian Coal Basin on the basis of miospores. |
1974 |