| original |
Silurian |
|
Austria |
Bachmann,A. et al. Microfossils from the Austrian Silurian. |
1964 |
| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Chitinozoans of a composite section of Upper Lland overian to Basal Lower Gedinnian sediments in Nort Hern Leon, Spain. a Prelimnary report. |
1966 |
| details |
Llandoverian |
Ludlovian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Llandoverian |
Ludlovian |
Europe |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Middle Gothlandian |
Late Gothlandian |
Spain |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| 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 |
Ludlovian |
Florida |
Goldstein,R.F. et al. Silurian chitinozoans from Florida Well samples. |
1969 |
| details |
Wenlockian |
|
Florida |
Cramer,F.H. et al. Rejuvenation of Silurian chitinozoans from Florida |
1970 |
| details |
Wenlockian |
|
Portuguese Guinea |
Cramer,F.H. et al. Subsurface section from Portuguese Guinea dated by palynomorphs as Middle Silurian. |
1972 |
| details |
Llandoverian |
|
Florida |
Cramer,F.H. Middle and Upper Silurian chitinozoan succession in Florida subsurface |
1973 |
| details |
Wenlockian |
|
Worldwide |
Cramer,F.H. et al. Early Paleozoic palynomorph Provinces and paleoclimate. (In: Paleogeographic Provinces and Provinciality, Charles A. Ross, editor) |
1974 |
| details |
Late Gothlandian |
|
Worldwide |
Cramer,F.H. et al. Early Paleozoic palynomorph Provinces and paleoclimate. (In: Paleogeographic Provinces and Provinciality, Charles A. Ross, editor) |
1974 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Late Ordovician |
Silurian |
Nd |
Jansonius,J. et al. Chitinozoa. |
1978 |