| details |
Late Carboniferous |
|
China(N.China) |
Gao,L. et al. Spores and pollen. Carboniferous and Permian spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Stephanian B |
Stephanian C |
China(Hupei) |
Gao,L. Carboniferous and Early Permian spore assemblages of North China Region and the boundary of the Carboniferous and Permian |
1985 |
| details |
Middle Pennsylvanian |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Early Permian |
|
China(Kansu) |
Du,B.-A. Sporo-pollen assemblage from Sansi Formation of Pingliang, Gansu and its geological age. |
1986 |
| details |
Late Namurian A |
Namurian B |
China(Kansu) |
Gao,L. Namurian miospore zonation from Jingyuan, Gansu and the Middle Carboniferous boundary. |
1987 |
| details |
Middle Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Palynological studies of Middle Pennsylvanian Coal Beds of the proposed Pennsylvania system stratotype in West Virginia |
1988 |
| details |
Westphalian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Visean |
|
USSR(Ukrainian SSR) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Westphalian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Chesterian |
|
Alabama |
Zhou,Y.-Z. et al. Early Chesterian spores from northwestern Alabama, U.S.A. |
2001 |