| details |
Early Permian |
|
China(Sinkiang Uighur) |
Zhu,H. Discovery of the Earliest Triassic spores and pollen from South Tarim and Permian-Triassic (P.-T.) boundary. |
1996 |
| details |
Late Permian |
Early Triassic |
China(Sinkiang Uighur) |
Yu,J. et al. Palynological assemblage sequence from Late Permian to Tertiary in northern Xinjian |
1986 |
| details |
Permian |
|
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| details |
Early Triassic |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. New spore genus of Pechorosporites, Varoshenko et Golubeva, gen.nov., from the Lower Triassic. (In: Problems of Modern Palynology. A.F.Chlonova, editor) |
1984 |
| details |
Ladinian |
|
USSR(Cis-Caucasus) |
Yaroshenko,O.P. Triassic Meiospore assemblages of the Western Caucasus and Western Ciscaucasia. |
1970 |
| details |
Tatarian |
|
China |
Yao,Z.-Q. et al. On the paleophyte-Mesophyte boundary. (In: Papers for the 5th International Palynological Conference.) |
1980 |
| details |
Early Triassic |
|
China |
Yao,Z.-Q. et al. On the paleophyte-Mesophyte boundary. (In: Papers for the 5th International Palynological Conference.) |
1980 |
| details |
Late Permian |
|
China(Sinkiang Uighur) |
Yang,J. et al. Late Permian and Early Triassic Continental strata and fossil assemblages in northern China |
1984 |
| details |
Late Permian |
|
China |
Yang,J. et al. Non-Marine Triassic biostratigraphy and boundaries in China |
1990 |
| details |
Missourian |
|
Oklahoma |
Wilson,L.R. et al. A paleoecological interpretation of the Francis Shale Formation, (Missourian), based upon palynology and Invertebrate paleontolty. |
1981 |
| details |
Gearyan |
Cimarronian |
Oklahoma |
Wilson,L.R. Palynology of the Lower Permian of Oklahoma and Kansas and its bearing on the Pensylvanian-Permian boundary |
1984 |
| details |
Gearyan |
Cimarronian |
Kansas |
Wilson,L.R. Palynology of the Lower Permian of Oklahoma and Kansas and its bearing on the Pensylvanian-Permian boundary |
1984 |
| details |
Pennsylvanian |
|
Kansas |
Wilson,L.R. Palynological evidence for age assignment of Basal Cherokee, (Pennsylvanian) Strata in Southern Kansas. (In: Proceedings of the Symposium on Evolutionary Botany and Biostratigraphy) |
1979 |
| details |
Artinskian |
|
Oklahoma |
Wilson,L.R. Palynomorph assemblage associated with the Wellington, (Permian - Artinskian), Insect Beds of Oklahoma and Kansas, USA. |
1987 |
| details |
Artinskian |
|
Kansas |
Wilson,L.R. Palynomorph assemblage associated with the Wellington, (Permian - Artinskian), Insect Beds of Oklahoma and Kansas, USA. |
1987 |
| details |
Middle Permian |
|
Oklahoma |
Wilson,L.R. Plant microfossils of the Flowerpot Shale (Permian) of Oklahoma |
1959 |
| details |
Nd |
|
Nd |
Weiss,H.R. Cologne database of palynomorphs. |
1998 |