| details |
Downtonian |
|
Poland |
Eisenack,A. Chitinozoans and other micro-fossils from the Leba-Bore, Pomerania. |
1972 |
| details |
Early Gothlandian |
|
Pennsylvania |
Cramer,F.H. Possible implications for Silurian paleogeography from phytoplankton assemblages of the Rose Hill and Tuscarora Formations of Pennsylvania. |
1969 |
| details |
Early Llandoverian |
|
Sweden |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Wenlockian |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
| details |
Early Wenlockian |
|
England |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Early Wenlockian |
|
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Early Wenlockian |
|
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Early Wenlockian |
|
USSR(Pre-Baltic) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Early Wenlockian |
|
USSR(Pre-Baltic) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Late Gothlandian |
|
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. |
1969 |
| details |
Late Llandoverian |
|
Baltic |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Late Llandoverian |
|
Baltic |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Late Llandoverian |
|
Pennsylvania |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Llandoverian |
|
New York |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Llandoverian |
|
Canada(Ontario) |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Late Llandoverian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |