original |
Tremadocian |
Arenigian |
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
original |
Middle Cambrian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
original |
Tremadocian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
original |
Hauterivian |
Barremian |
USSR(Urals) |
Koltsova,T.T. et al. Description of spores and pollen in Lower Cretaceous deposits of the East Sloper of the northern Urals and Transurals. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
original |
Early Devonian |
Eifelian |
USSR(Bashkir ASSR) |
Chibrikova,E.V. Plant microfossils from the Lower Devonian of the Western Slope of the Urals and Uralia |
1970 |
original |
Gedinnian |
Siegenian |
USSR(Komi ASSR) |
Chibrikova,E.V. Plant microfossils from the Lower Devonian of the Western Slope of the Urals and Uralia |
1970 |
original |
Late Albian |
|
USSR(Taymyr Nat.Okrug) |
Mchedlishvili,N.D. Palynological substantiation of the age of the Ognevka Suite. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |