| 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 |
Nd |
|
Nd |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Late Emsian |
|
France |
Paris,F. Scanning electon microscope in the study of opaque chitinozoans. |
1978 |
| details |
Late Emsian |
|
France(Ille-et-Vilaine) |
Paris,F. Biostratigraphy of chitinozoans; an example of the Late Emsian of the Armorican Massif. |
1979 |
| details |
Late Emsian |
|
France(Ille-et-Vilaine) |
Paris,F. Chitinozoans. |
1981 |
| details |
Emsian |
|
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Late Eifelian |
Early Givetian |
Brazil(Amazonas) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |