| details |
Ludlovian |
|
England |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Ashgillian |
Early Llandoverian |
Czechoslovakia |
VavrdovЎ,M. New acritarchs and miospores from the Late Ordovician of Hlasna Treban, Czechoslovakia. |
1989 |
| details |
Late Homerian |
|
Czechoslovakia |
Dufka,P. Upper Wenlock miospores and cyptospores derived from a Silurian Volcanic Island in the Prague Basin (Barrandian area, Bohemia) |
1995 |
| details |
Late Silurian |
|
China(Sinkiang Uighur) |
Gao,L. Devonian spore assemblages of China |
1981 |
| details |
Late Ludlovian |
|
Canada(NWT,Franklin) |
McGregor,D.C. et al. Upper Silurian trilete spores and other microfossils from the Read Bay Formation, Cornwallis Island, Canadian Arctic. |
1978 |
| details |
Gedinnian |
Siegenian |
Belgium |
Steemans,P. Stratigraphical study of the spores in the Gedinnian - Siegenian Transition Beds at Nonceveux and Spa, (Belgium). |
1981 |
| details |
Ashgillian |
|
Belgium |
Steemans,P. Ordovician cryptospores from the Oostduinkerke Borehole, Brabant Massif, Belgium. |
2001 |
| details |
Ludlovian |
Downtonian |
Africa(Sahara) |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Ludlovian |
Downtonian |
Africa |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |