| details |
Late Barremian |
Early Albian |
China(Shansi) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Early Albian |
China(Tsinghai) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Middle Albian |
Late Albian |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| details |
Middle Jurassic |
|
China(Shansi) |
Yin,F.-J. et al. Middle Jurassic Sporopollen Assemblage from the Yan'an Formation in Binxian County, Shaanxi Province and its significance. |
1999 |
| details |
Triassic |
|
USSR(Caucasus) |
Yaroshenko,O.P. Miospore assemblages and Triassic stratigraphy of the West Caucasus. |
1978 |
| details |
Griesbachian |
|
USSR(Yakut ASSR) |
Yaroshenko,O.P. Triassic miospores and their significance for Inter-Regional correlation. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Induan |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. Palinologic characteristic of the Lower Triassic sediments of Timano-Pecherskaya Province and adjacent Regions |
1981 |
| details |
Scythian |
|
USSR(Kazakh SSR) |
Yaroshenko,O.P. et al. Palinologic characteristic of the Lower Triassic sediments of Timano-Pecherskaya Province and adjacent Regions |
1981 |
| details |
Olenikian |
|
Asia |
Yaroshenko,O.P. Palynology and phytogeography of the Early Triassic |
1997 |
| details |
Induan |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. Palynology and phytogeography of the Early Triassic |
1997 |
| details |
Early Triassic |
|
USSR(Ukrainian SSR) |
Yaroshenko,O.P. et al. Miospores and Lower triassic stratigraphy of the Pechora Syneclise. |
1991 |
| details |
Early Triassic |
|
USSR(Ukrainian SSR) |
Yaroshenko,O.P. et al. Miospores and Lower triassic stratigraphy of the Pechora Syneclise. |
1991 |
| details |
Early Cretaceous |
|
China(Inner Mongolia) |
Yang,Q. et al. A discussion on the biota and the paleoenvironment of the Tengger and Duhongmu Formations. |
2000 |
| details |
Early Cretaceous |
|
China(Inner Mongolia) |
Yang,Q. et al. A discussion on the biota and the paleoenvironment of the Tengger and Duhongmu Formations. |
2000 |
| details |
Middle Jurassic |
|
China(Heilungkiang) |
Yang,J. et al. New datum of the Middle Jurassic sporopollen in Sanjiang Basin, Eastern Heilongjiang, China. |
2000 |
| details |
Hettangian |
Pliensbachian |
China(Kansu) |
Yan,C. et al. Early-Middle Jurassic sporopollen assemblages and paleoclimate of Minhe Basin, Gansu, China. |
2000 |
| original |
Early Cretaceous |
|
China(Liaoning) |
Xu,Y. Sporo-pollen assemblage of the Lower Cretaceous Shahai Formation in Fuxin District of Liaoninig |
1985 |