| details |
Early Westphalian A |
|
Netherlands |
Bless,M.J.M. et al. The history of the Finefraunebenbank Marine Band, (Lower Westphalian A) in South Limburg, (The Netherlands). A case of interaction between paleogeography, paleotectonics and paleoecology. |
1973 |
| details |
Westphalian D |
Early Stephanian |
Spain |
Chўteauneuf,J.-J. Palnology of the productive layers of the Central Basin of Asturias (Spain) |
1974 |
| details |
Kungurian |
|
China(Shensi) |
Kaiser,H. The Permian microflora of the Cathaysia Layers of Northwestern Shensi, China. |
1976 |
| details |
Late Gzelian |
|
USSR(Rostov) |
Inosova,K.I. et al. Miospores. (In: Key section of boundary Carboniferous and Permian Beds of the South of the eastern-European Platform, (Gzhelian and Asselian Stages, Skosyrskaya Borehole N4199) |
1983 |
| details |
Late Stephanian |
Early Permian |
Austria |
Planderova,E. et al. Biostratigraphical evaluation of Weakly metamorphosed sediments of Wechsel series and their possible correlation with Harmonia Group in male Karpaty Mts. |
1983 |
| details |
Middle Pennsylvanian |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Stephanian B |
Stephanian C |
Austria |
Planderova,E. et al. Biostratigraphical evaluation of Weakly metamorphosed sediments of Wechsel series and their possible correlation with Harmonia Group in the male Karpaty Mts |
1990 |
| details |
Nd |
|
Nd |
de Quadros,L.P. et al. Catalog of fossil pollen and spores of the Paleozoic |
1995 |
| details |
Duckmantian |
|
Kentucky |
Greb,S.F. et al. An Insitu occurrence of coal balls in the Amburgy Coal Bed, Pikeville Formation (Duckmantian), Central Appalachian Basin, USA. |
1999 |