| details |
Late Frasnian |
|
USSR(Baltic) |
Sorokin,V.S. Upper Frasnian Substage of the main Devonian Field. (In: Phanerozoic Stratigraphy of the Baltic States Paleontological Assemblages, Structure and Composition of Sediments. V.S.Sorokin, editor) |
1978 |
| 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 |