original |
Caradocian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
original |
Gedinnian |
Emsian |
Algeria |
JardinĀ©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
original |
Early Carboniferous |
|
China |
Gao,L. Devonian and Carboniferous spores. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |
original |
Ludlovian |
Early Emsian |
Bolivia |
McGregor,D.C. Late Silurian and Devonian spores from Bolivia |
1984 |