details |
Ordovician |
|
Europe |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
details |
Silurian |
|
Europe |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
details |
Ordovician |
|
North America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
details |
Silurian |
|
North America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
details |
Ordovician |
|
Asia |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
details |
Silurian |
|
South America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
details |
Caradocian |
|
Belgium |
Martin,F. et al. Ordovician and Silurian acritarchs, chitinozoans, and graptolites of the Sennette Valley (Brabant Massif, Belgium). |
1979 |
details |
Late Givetian |
|
Texas |
Chaiffetz,M.S. Devonian, North American; USA biostratigraphy, palaeoecology, descriptive Palaeontology: Systematics. |
1979 |
details |
Ordovician |
|
India |
Viswanathiah,M.N. et al. Scolecodonts and chitinozoa from the Indian Peninsula. |
1980 |
details |
Late Tremadocian |
Arenigian |
China(Szechwan) |
Xing,Y. Microplants and chitinozoans from the Lower Ordovician Dachengsi Formation of Emeishan, Sichun. |
1980 |
details |
Ludlovian |
|
Turkey |
Fontaine,J.-M. et al. New contributions on the stratigraphy of Paleozoic formations of the Arab Platform in the Hazro Region of Turkey. |
1980 |
details |
Silurian |
Devonian |
Czechoslovakia |
PacltovŠ,B. Further micropaleontological data for the Paleozoic age of Moldanubian Carbonate Rocks |
1980 |
details |
Late Ordovician |
|
India |
Prasad,K.N. Review of Precambrian microfossils from Peninsular India. (In: Stromatolites, Characteristics and Utility) |
1980 |
details |
Late Ordovician |
|
Indiana |
Miller,M.A. et al. Upper Ordovician (Lower Richmondian) acritarchs and chitinozoans from southeastern Indiana, USA. |
1981 |
details |
Ludlovian |
Pridolian |
Czechoslovakia |
Paris,F. et al. Chitinozoan biostratigraphy of the Ludlovian-Pridolian boundary in the Barrandian area. |
1981 |
details |
Llandoverian |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
details |
Nd |
|
Nd |
Taugourdeau,P. Several systematic attributes proposed for chitinozoa. |
1981 |