| details |
Early Gothlandian |
|
Kentucky |
Wood,G.D. Acritarchs and chitinozoans from the Plum Creek Shale, Oldham Limestone, and Lulbegrud Shale Members of the Noland Formation (Lower Silurian), Kentucky, USA. |
1986 |
| details |
Early Gothlandian |
|
Indiana |
Wood,G.D. Biostratigraphic and paleoecologic significance of acritarchs from the Waldron Formation, (Lower Silurian), midcontinent, United States |
1984 |
| details |
Late Vendian |
Early Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Vendian Cambrian boundary in the Kaladgi Group of rocks of Karnataka, South India. |
1984 |
| details |
Nd |
|
Nd |
Timofeev,B.V. et al. Geometric principles for the morphologic classification of microfossils. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Nd |
|
Nd |
Timofeev,B.V. et al. Geometric principles for the morphologic classification of microfossils. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Late Llandoverian |
Late Wenlockian |
S.Ireland(Galway) |
Emo,G.T. et al. Palynological evidence for the age of the Lower Palaeozoic rocks of Slieve Aughty, Counties Clare and Galway. |
1978 |
| details |
Late Llandoverian |
Late Wenlockian |
S.Ireland(Clare) |
Emo,G.T. et al. Palynological evidence for the age of the Lower Palaeozoic rocks of Slieve Aughty, Counties Clare and Galway. |
1978 |
| details |
Late Tremadocian |
Arenigian |
China(Szechwan) |
Xing,Y. Microplants and chitinozoans from the Lower Ordovician Dachengsi Formation of Emeishan, Sichun. |
1980 |
| details |
Early Paleozoic |
|
Ghana |
Riegel,W. et al. Lower Paleozoic acritarchs of the Sekondi Series of Ghana (West Africa). |
1980 |
| details |
Tremadocian |
|
Spain |
Wolf,R. Acritarchs of the Tremadocian Keltiberien (northeast Spain). |
1980 |
| details |
Merioneth |
Middle Tremadocian |
Wales |
Downie,C. et al. Changes in the acritarch assemblages at the Tremadoc boundaries in the United Kingdom. |
1979 |
| details |
Ludlovian |
|
USSR(E.Kazakh Oblast) |
Grishina,T.S. et al. Stratigraphy of Silurian and Lower Devonian deposits of the Zaysan Belt system. |
1981 |
| details |
Late Cambrian |
|
India(Uttar Pradesh) |
Kumar,A. Fossil Dinophyceae and its uses in Petroleum exploration with special reference to India. |
1980 |
| details |
Early Cambrian |
|
Sweden |
Vidal,G. et al. Proterozoic plankton. |
1983 |
| details |
Early Cambrian |
|
Norway |
Vidal,G. et al. Proterozoic plankton. |
1983 |
| details |
Early Cambrian |
|
Greenland |
Vidal,G. et al. Proterozoic plankton. |
1983 |