original |
Westphalian C |
|
Germany(Rhineland) |
Ibrahim,A.C. Spore forms of the Agir horizon of the Ruhr Basin. |
1933 |
details |
Westphalian B |
Westphalian C |
Germany |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
details |
Late Pottsville |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
details |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
details |
Early Pennsylvanian |
|
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
details |
Middle Pennsylvanian |
|
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
details |
Chesterian |
Springerian |
Utah |
Schemel,M.P. Carboniferous plant spores from Daggett County, Utah |
1950 |
details |
Westphalian C |
|
W.Germany(N.Rhine) |
Kremp,G.O.W. Spore associations and microfauna horizons in the Carboniferous of the Ruhr. |
1952 |
details |
Westphalian B |
Westphalian C |
W.Germany(N.Rhine) |
Potonie,R. et al. The sporae dispersae of the Ruhr Carboniferous, their morphography and stratigraphy with reviews of species of other areas. Part 1. |
1955 |
details |
Namurian A |
|
Poland |
Horst,U. The sporae dispersae of the Namurian from Western Upper Silesia and Mahrisch-Ostrau. Stratigraphic comparison of these areas spore diagnosis. |
1955 |
details |
Westphalian A |
|
Poland |
Horst,U. The sporae dispersae of the Namurian from Western Upper Silesia and Mahrisch-Ostrau. Stratigraphic comparison of these areas spore diagnosis. |
1955 |
details |
Namurian A |
Namurian B |
E.Germany |
Horst,U. The sporae dispersae of the Namurian from Western Upper Silesia and Mahrisch-Ostrau. Stratigraphic comparison of these areas spore diagnosis. |
1955 |
details |
Namurian A |
Namurian B |
E.Germany |
Horst,U. The sporae dispersae of the Namurian from Western Upper Silesia and Mahrisch-Ostrau. Stratigraphic comparison of these areas spore diagnosis. |
1955 |
details |
Westphalian B |
Westphalian C |
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
details |
Nd |
|
Nd |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
details |
Late Visean |
Middle Carboniferous |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
details |
Namurian A |
|
Scotland(Fife) |
Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland |
1958 |