| original |
Westphalian C |
|
Germany(Rhineland) |
Ibrahim,A.C. Spore forms of the Agir horizon of the Ruhr Basin. |
1933 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Kosanke,R.M. The characteristic plant microfossils of the Pittsburgh and Pomeroy Coals of Ohio. |
1943 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Paleozoic |
|
Europe |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
| details |
Morrowan |
Desmoinesian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Desmoinesian |
|
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Desmoinesian |
Virgilian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Kremp,G.O.W. Spore associations and microfauna horizons in the Carboniferous of the Ruhr. |
1952 |
| details |
Pennsylvanian |
Early Permian |
Pennsylvania |
Cross,A.T. et al. Representative microfossil floras of some Appalachian Coals |
1952 |
| details |
Desmoinesian |
|
Indiana |
Guennel,G.K. Fossil spores of the Alleghenian Coals in Indiana |
1952 |
| details |
Early Westphalian C |
|
W.Germany(Niedersachsen) |
Kremp,G.O.W. The More detailed age of some Carboniferous Coal Rubble of the Niedersachsischen Basin based on its microflora. |
1953 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Early Devonian |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Artinskian |
|
South Africa |
Rilett,M.H. Plant microfossils from the coal seams near Dannhauser, Natal. |
1954 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Early Devonian |
|
Scotland |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |