| details |
Wenlockian |
|
Portuguese Guinea |
Cramer,F.H. et al. Subsurface section from Portuguese Guinea dated by palynomorphs as Middle Silurian. |
1972 |
| details |
Wenlockian |
|
Portuguese Guinea |
Cramer,F.H. et al. Subsurface section from Portuguese Guinea dated by palynomorphs as Middle Silurian. |
1972 |
| details |
Silurian |
Devonian |
Africa |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Silurian |
Devonian |
Europe |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Silurian |
Devonian |
North America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Silurian |
Devonian |
Asia |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Silurian |
Devonian |
South America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Silurian |
Devonian |
Czechoslovakia |
PacltovŠ,B. Further micropaleontological data for the Paleozoic age of Moldanubian Carbonate Rocks |
1980 |
| details |
Silurian |
|
Nd |
Matthes,H.W. Introduction to micropaleontology |
1956 |
| details |
Silurian |
|
Brazil(Para) |
Boekel,N.M.Van Silurian microfossils from the Garape da Rainha, Pa Para |
1968 |
| details |
Silurian |
|
France(Aquitaine) |
de Jekhowsky,B. et al. The presence of chitinozoans in the Silurian in some borings from Aquitaine. |
1961 |
| details |
Silurian |
|
Romania |
Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. |
1971 |
| details |
Oxfordian |
|
Bhutan |
Pantic,N.K. et al. Jurassic palynomorphs below the main Central Thrust of East Bhutan, (Himalayas). |
1981 |
| details |
Osagean |
Meramecian |
Texas |
Cornell,W.C. Chitinozoa and acritarchs from the Las Cruces Limestone (Osagean-Meramecian) |
1987 |
| details |
Ordovician |
|
Europe |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Ordovician |
|
USA |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Ordovician |
|
North Dakota |
Morgan,D.H. Chitinozoa from the Williston Basin in North Dakota. |
1964 |