| details |
Ludlovian |
Downtonian |
Wales |
Warren,P.T. The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors) |
1971 |
| details |
Frasnian |
|
USSR(Kazakh SSR) |
Sheshegova,L.I. Upper Devonian acritarchs of the Anzhero Region of the Kuzbass Basin. |
1971 |
| details |
Early Gothlandian |
|
New York |
Cramer,F.H. et al. Acritarchs from the Lower Silurian Neahga Formation, Niagara Peninsula, North America. |
1970 |
| details |
Early Gothlandian |
|
Canada(Ontario) |
Cramer,F.H. et al. Acritarchs from the Lower Silurian Neahga Formation, Niagara Peninsula, North America. |
1970 |
| details |
Nd |
|
Ohio |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Nd |
|
Indiana |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Tarannon |
|
Kentucky |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Wenlockian |
|
Canada(Ontario) |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Wenlockian |
|
New York |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Wenlockian |
|
England |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Llandoverian |
|
Sweden |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Ludlovian |
|
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Middle Gothlandian |
|
Canada(Quebec) |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Siegenian |
Emsian |
France(Rhone) |
Moreau-Benoit,A. Some microplankton of the Lower Devonian of Anjou. |
1967 |
| details |
Emsian |
|
France(Rhone) |
Moreau-Benoit,A. Some microplankton of the Lower Devonian of Anjou. |
1967 |
| details |
Late Llandoverian |
|
Baltic |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Llandoverian |
|
Sweden |
Eisenack,A. Microfossils of the Gotland Silurian. Hystrichospheres and questionable types |
1965 |