| details |
Early Berriasian |
Early Barremian |
Spitsbergen |
…rhus,N. et al. Systematic palaeontology and biostratigraphy of two Early Cretaceous condensed sections from the Barents Sea |
1990 |
| details |
Early Ordovician |
|
China(Hopei) |
Zhong,G. Early Ordovician microflora from the Dawan Formation at Huanghuachang, Yichang. |
1981 |
| details |
Middle Proterozoic |
Late Proterozoic |
China(Hupei) |
Zhang,Z. et al. Microfossils from the Dagushi Group in the Bahongshan area, Northern Hubei Province. |
1989 |
| details |
Llandoverian |
|
China(Zhejiang) |
Yin,L. et al. Palynomorphs from the transitional sequences between Ordovician and Silurian of northwestern Zhejiang, South China. |
2000 |
| details |
Late Gothlandian |
|
USSR(Baltic) |
Yankauskas,T.V. et al. Silurian acritarcha from the Baltic Arca |
1972 |
| details |
Tremadocian |
|
Baltic |
Yankauskas,T.V. Revision of the age of the "Cambro-Ordoviciennes" formations of the Baltic Region by micropaleontological analysis. (Acritarchs and chitinozoes) |
1976 |
| details |
Sinian |
|
China(Anhwei) |
Yang,Q. et al. Subdivision and correlation of Sinian suberathem in northern Jiangsu and Anhui. (In: Proceedings of the Conference:Research on Precambrian Geology;Sinian Suberathen in China.) |
1980 |
| details |
Sinian |
|
China(Kiangsu) |
Yang,Q. et al. Subdivision and correlation of Sinian suberathem in northern Jiangsu and Anhui. (In: Proceedings of the Conference:Research on Precambrian Geology;Sinian Suberathen in China.) |
1980 |
| original |
Sinian |
|
China(Anhwei) |
Yan,Y. Micropaleoflora from the Liulaobei Formation of Sinian Subera in Fengyang Region, Anhui Province. |
1982 |
| details |
Middle Proterozoic |
|
China(Hopei) |
Yan,Y. Preliminary research on microflora from Chuanlinggou Formation of changcheng system in Jixian County |
1985 |
| details |
Sinian |
|
China(Fukien) |
Xing,Y. et al. Micropalaeophyta. (In: Late Precambrian paleontology of China. Y.Xing et al, editors) |
1985 |
| details |
Sinian |
|
China(Anhwei) |
Xing,Y. et al. Micropalaeophyta. (In: Late Precambrian paleontology of China. Y.Xing et al, editors) |
1985 |
| details |
Early Devonian |
|
China(Szechwan) |
Xiang,L. et al. Early Devonian graptolite-bearing formation and its paleontological features at Baoxing County, Sichuan, (Szechwan). |
1975 |
| details |
Cambrian |
Ordovician |
Libya |
Wray,J.L. Paleozoic palynomorphs from Libya. (In: Palynology in Oil Exploration, Aureal T. Cross, editor) |
1964 |
| details |
Middle Llandoverian |
|
Paraguay |
Wood,G.D. et al. Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay. |
1991 |
| details |
Givetian |
Frasnian |
Bolivia |
Wood,G.D. The acritarch Proteolobus wallii, gen.et sp.nov., from the Devonian Iquiri Formation of Bolivia: A possible coenobial alga. |
1997 |
| details |
Early Gedinnian |
|
New York |
Wicander,E.R. et al. Microorganisms from the Kalkberg Limestone, (Lower Devonian), of New York State. |
1974 |