| details |
Late Eifelian |
Givetian |
Spain |
Cramer,F.H. Plant spores from the Eifelian to Givetian Gosseletia Sandstone Formation near Canadas, Asturias, Spain. |
1969 |
| 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 |
Late Llandoverian |
Ludlovian |
Florida |
Goldstein,R.F. et al. Silurian chitinozoans from Florida Well samples. |
1969 |
| details |
Ordovician |
|
Czechoslovakia |
Corna,O. The distribution of palynological microfossils from the Precambrian to the Lower Carboniferous. |
1969 |
| details |
Ordovician |
|
Czechoslovakia |
Corna,O. The distribution of palynological microfossils from the Precambrian to the Lower Carboniferous. |
1969 |
| details |
Ordovician |
|
Czechoslovakia |
Corna,O. The distribution of palynological microfossils from the Precambrian to the Lower Carboniferous. |
1969 |
| details |
Ordovician |
|
Czechoslovakia |
Corna,O. The distribution of palynological microfossils from the Precambrian to the Lower Carboniferous. |
1969 |
| details |
Late Llandoverian |
|
Canada(Nova Scotia) |
Cramer,F.H. Arcitarchs and chitinozoans from the Silurian Ross Brook Formation, Nova Scotia |
1970 |
| details |
Wenlockian |
|
USSR(Lithuanian SSR) |
Ditsevichyus,E.K. Ordovician and Silurian chitinozoan fauna of Lithuania and its stratigraphic significance |
1970 |
| details |
Llandeilian |
|
USSR(Belorussian SSR) |
Ditsevichyus,E.K. Ordovician and Silurian chitinozoan fauna of Lithuania and its stratigraphic significance |
1970 |
| details |
Llandoverian |
|
USSR(Belorussian SSR) |
Ditsevichyus,E.K. Ordovician and Silurian chitinozoan fauna of Lithuania and its stratigraphic significance |
1970 |
| details |
Caradocian |
|
Belgium |
Martin,F. et al. The Caradocian Flysch of Ombret. |
1970 |
| details |
Caradocian |
|
Belgium |
Martin,F. et al. The Caradocian Flysch of Ombret. |
1970 |
| details |
Llanvirnian |
|
Czechoslovakia |
Corna,O. Plant remains in the Ordovician of the Bohemian Massif. |
1970 |
| details |
Silurian |
|
France(Manche) |
Poncet,J. et al. New stratigraphic data on the Comprehensive Series (D1-S4), of Cotentin. |
1971 |
| details |
Silurian |
Devonian |
Texas |
Kauffman,A.E. Chitinozoans in the subsurface Lower Paleozoic of West Texas |
1971 |
| details |
Devonian |
|
Texas |
Kauffman,A.E. Chitinozoans in the subsurface Lower Paleozoic of West Texas |
1971 |