| original |
Desmoinesian |
|
Iowa |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Carboniferous |
|
Nd |
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 |
Cretaceous |
|
Nd |
Cross,A.T. Plant microfossils and the application of their study to Coal stratigraphy. |
1950 |
| details |
Paleozoic |
|
Nd |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |
| details |
Late Mississippian |
Westphalian D |
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 |
Middle Westphalian B |
|
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 |
Zechstein |
|
Austria |
Klaus,W. On the spore diagnosis of the German Zechstein Salt and the Alpine Saltdomes. |
1953 |
| details |
Westphalian A |
Westphalian C |
England |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Westphalian A |
Westphalian C |
Michigan |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Westphalian A |
Westphalian C |
Scotland(Lanark) |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Westphalian B |
|
Scotland(Lanark) |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Carboniferous |
|
Indiana |
Felix,C.J. Spores of Arborescent Lycopods |
1954 |