| details |
Middle Devonian |
Late Devonian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Devonian |
|
Russia(Buryatia) |
Butov,Y.P. et al. Sagansairskaya Suita - Etalon Pozdnepaleozoisko - Mezozoiskoi Molassy Buryatskogo Vostochogo Sayana. |
2001 |
| details |
Givetian |
Frasnian |
USSR(Kemerovskaya) |
Andreeva,E.M. et al. New data on the phytostratigraphy of Devonian Deposits in the Altay-Sayan Mountain Region. (In: Contributions to the Phytostratigraphy of Devonian Deposits in the Altay-Sayon Mountain Region, Collected Articles) |
1962 |