| original |
Givetian |
|
Canada(NWT) |
Staplin,F.L. et al. Elucidation of some Paleozoic Densospores |
1964 |
| details |
Tournaisian |
|
Saudi Arabia |
Powers,R.W. Asia, Saudi Arabia. |
1968 |
| details |
Late Frasnian |
|
Iowa |
Wicander,R. et al. Acritarchs and spores from the Upper Devonian Lime Creek Formation, Iowa, USA. |
1985 |
| details |
Early Tournaisian |
Middle Tournaisian |
Ireland |
Zwan,C.J.Van Der et al. Climatic change during the Lower Carboniferous in Euramerica based on multivarative statistical analysis of palynological data |
1985 |
| details |
Early Tournaisian |
Middle Tournaisian |
England |
Zwan,C.J.Van Der et al. Climatic change during the Lower Carboniferous in Euramerica based on multivarative statistical analysis of palynological data |
1985 |
| details |
Early Tournaisian |
Middle Tournaisian |
Canada(Nova Scotia) |
Zwan,C.J.Van Der et al. Climatic change during the Lower Carboniferous in Euramerica based on multivarative statistical analysis of palynological data |
1985 |
| details |
Late Visean |
|
Canada |
Zwan,C.J.Van Der et al. Climatic change during the Lower Carboniferous in Euramerica based on multivarative statistical analysis of palynological data |
1985 |
| details |
Nd |
|
Nd |
Pashkevich,N.G. Morphological classification of dispersed fossil spores. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |