| details |
Early Devonian |
|
Tennessee |
Reaugh,A.B. et al. Acritarchs and chitinozoans from the Lower Devonian (Helderbergian) Birdsong Shale, Decatur County, Tennessee. |
1977 |
| details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Early Carboniferous |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Late Sinian |
|
China |
Xing,Y. et al. Late Precambrian microflora of China. |
1980 |
| details |
Sinian |
|
China(Honan) |
Zhao,X. et al. Sinian Tillites in northwest China and their stratigraphic significance. (In: Proceedings of the Conference:Research on Precambrian Geology;Sinian Suberathen in China.) |
1980 |
| details |
Late Proterozoic |
|
China(Yunnan) |
Lei,Z.-Q. The discovery of the microflora from Lancang Group and its significance. |
1982 |
| details |
Late Precambrian |
|
China(Shanghai) |
Yao,Z.-B. et al. Correlation of the Upper Precambrian in the Xuhuai Region |
1983 |
| details |
Devonian |
|
Europe |
Dorning,K.J. Paleozoic marine Shelf acritarchs |
1984 |
| details |
Devonian |
|
North America |
Dorning,K.J. Paleozoic marine Shelf acritarchs |
1984 |
| details |
Late Devonian |
Early Carboniferous |
China(Tibet) |
Gao,L. Late Devonian and Early Carboniferous acritarchs from Nyalam County, Xizang, (Tibet), China. |
1984 |
| details |
Devonian |
|
Canada(Ontario) |
Eley,B.E. et al. Lower Palaeozoic Chert -First widely used mineral of Southern Ontario |
1984 |
| details |
Givetian |
|
Iowa |
Wicander,R. et al. Acritarchs, spores and chitinozoans from the Middle Devonian, (Givetian), Rapid Member of the Cedar Valley Formation, Iowa, U.S. |
1984 |
| details |
Early Frasnian |
|
Texas |
Barker,G.W. et al. Microplankton and spores from the Woodford Shale (Devonian) of the Tobosa Basin, southeast New Mexico-southwestern Texas, USA. |
1988 |
| details |
Nd |
|
Nd |
Colbath,G.K. Devonian, (Givetian-Frasnian) organic-walled phytoplankton from the Limestone Billy Hills, Reef complex, Canning Basin, Western Australia. |
1990 |
| details |
Precambriam |
|
China |
Xing,Y. et al. Evolution of the terminal Precambrian Biotas and its geological significance |
1990 |