| original |
Siegenian |
Emsian |
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
| details |
Frasnian |
|
USSR(Kazakh SSR) |
Sheshegova,L.I. Upper Devonian acritarchs of the Anzhero Region of the Kuzbass Basin. |
1971 |
| details |
Early Devonian |
|
USSR(Russian Platform) |
Sheshegova,L.I. Acritarchs of the Silurian and the Lower Devonian of Podolia. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Late Gothlandian |
Early Devonian |
Czechoslovakia |
Planderova,E. Review of biostratigraphical research on Low-Grade Metasediments in the West Carpathians. (In: Correlation of Prevariscan and Veriscan events of the Alpine-Mediterranean Mountain Belt. F.P.Sassi and M.Julivert, editors) |
1982 |
| details |
Early Devonian |
|
Czechoslovakia |
SnopkovŠ,P. Lower Devonian palynomorphs from Drnava Formation of Gelnica Group in Spissko-Gemerske Rudohorie Mts (West Carpathians) |
1984 |
| details |
Siegenian |
Emsian |
Czechoslovakia(Slovensko) |
Ilavsky,J. et al. Lydites of Gelnica Groups in the surrounding area of Smolnik, (eastern part of Slovenske Rudohorieore Mountains, West Carpathians). |
1985 |
| details |
Gedinnian |
Siegenian |
Czechoslovakia(Slovensko) |
Ilavsky,J. et al. Lydites of Gelnica Groups in the surrounding area of Smolnik, (eastern part of Slovenske Rudohorieore Mountains, West Carpathians). |
1985 |
| details |
Middle Siegenian |
Emsian |
Spain |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |