| original |
Middle Siegenian |
Emsian |
Spain |
Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. |
1964 |
| details |
Late Siegenian |
|
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
| details |
Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Acritarchs from Klabava Shales (Arenig). |
1972 |
| details |
Late Emsian |
|
Spain |
Cramer,F.H. et al. Acritarchs from the La Vid Shales (Emsian to Lower Couvinian) at Colle, Leon, Spain. |
1976 |
| details |
Middle Siegenian |
Emsian |
Spain |
Loeblich,A.R.,Jr. et al. Some new and revised organic-walled phytoplankton microfossil genera. |
1976 |
| details |
Llanvirnian |
Early Emsian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Llandoverian |
Emsian |
Czechoslovakia |
SnopkovЎ,P. et al. Biostratigraphy of the Gelnica Group in the Spissko-Gemerski Rudohoris (Mountains), based on palynological data. |
1979 |
| details |
Silurian |
Emsian |
Czechoslovakia |
SnopkovЎ,P. et al. Biostratigraphy of the Gelnica Group in the Spissko-Gemerski Rudohoris (Mountains), based on palynological data. |
1979 |
| details |
Early Devonian |
|
Czechoslovakia |
SnopkovЎ,P. Lower Devonian palynomorphs from Drnava Formation of Gelnica Group in Spissko-Gemerske Rudohorie Mts (West Carpathians) |
1984 |
| details |
Middle Frasnian |
Late Frasnian |
England(Cornwall) |
Le Gall,B. et al. New palynological data from the Gramscatho Group at the Lizard Front (Cornwall). Palaeogeographical and geodynamical implications. |
1985 |
| details |
Llandoverian |
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 |
Ashgillian |
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 |
Middle Siegenian |
Emsian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |