| details |
Ediacaran |
|
China(Hupei) |
Yin,L. Microfossils of the Doushantuo Formation in the Yangtze Gorge District, Western Hubei. |
1985 |
| details |
Late Precambrian |
|
China(Hopei) |
Yin,C.-Y. Spinose acritarchs from the Toushantou Formation in the Yangtze Gorges and its geological significance. |
1990 |
| details |
Nantuo |
Doushantuo |
China |
Yin,C. et al. The early evolution of the acanthomorphic acritarchs in China and their biostratigraphical implication |
1995 |
| details |
Middle Jurassic |
|
USSR(Caucasus) |
Yegoyan,V.L. et al. Phytoplanktonic microfossils as a criterion for stratigraphic subdivision of the Mesozoic-Cenozoic sedimentary cover of the western Caucasus and Cisaucasia. |
1977 |
| details |
Middle Jurassic |
|
USSR(Cis-Caucasus) |
Yegoyan,V.L. et al. Phytoplanktonic microfossils as a criterion for stratigraphic subdivision of the Mesozoic-Cenozoic sedimentary cover of the western Caucasus and Cisaucasia. |
1977 |
| details |
Wenlockian |
|
China(Sinkiang Uighur) |
Ye,X. Microfossil assemblage from Silurian of Kimyezek at Tali northwest Xinjiang and their stratigraphic significance. |
1984 |
| details |
Scythian |
Anisian |
USSR(Caucasus) |
Yaroshenko,O.P. Miospore assemblages and Triassic stratigraphy of the West Caucasus. |
1978 |
| details |
Olenikian |
|
USSR(Caucasus) |
Yaroshenko,O.P. Miospore assemblages and Triassic stratigraphy of the West Caucasus. |
1978 |
| details |
Late Riphean |
|
USSR(Urals) |
Yankauskas,T.V. Riphean microfossils of the Southern Urals. (In: Stratotype of Riphean Paleontology Paleomagnetism. B.M.Keller, editor) |
1982 |
| details |
Vendian |
|
USSR(Urals) |
Yankauskas,T.V. Organic microfossils of the Urals. (In: The Vendian System. Historic Geological and Paleontological Basis. Paleontology. B.S.Sokolov, editor) |
1985 |
| details |
Hettangian |
Early Sinemurian |
France(Paris Basin) |
Yang,Z. et al. Hettangian and Sinemurian magnetostratigraphy from Paris Basin |
1996 |
| details |
Early Cambrian |
|
China(Yunnan) |
Xing,Y. Microflora of the Sinian System and Lower Cambrian near Kunming, Yunnan and its stratigraphical significance. |
1982 |
| details |
Late Sinian |
|
China |
Xing,Y. et al. Evolution of the terminal Precambrian Biotas and its geological significance |
1989 |
| 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 |
Early Cambrian |
|
England(Shropshire) |
Wright,A.E. et al. The Lower Cambrian Wrekin Quartzite and age of its unconformity on the Ercall Granophyre |
1993 |
| details |
Early Cambrian |
|
England(Shropshire) |
Wright,A.E. et al. The Lower Cambrian Wrekin Quartzite and age of its unconformity on the Ercall Granophyre |
1993 |
| details |
Senecan |
Chautauquan |
New York |
Wood,G.D. Palynology and paleobotany of the Jave and Lowermost Canadaway Formations, Upper Devonian, (Senecan/Chautauquan ), New York State. |
1978 |