| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Late Carboniferous |
|
W.Germany(Saarland) |
Bharadwaj,D.C. The spore genera from the Upper Carboniferous Cos of the Saar and their value in stratigraphical studies. |
1956 |
| details |
Carboniferous |
Permian |
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Palynological studies in the Coal Basins of Kladno and Rakovnik. |
1956 |
| details |
Artinskian |
|
India(Bihar) |
Guhasarkar,T.K. Note on the Micro-Flora contents of the Karharbari and Barakar Coals of the Giridih Coalfield. |
1956 |
| details |
Westphalian D |
|
Netherlands |
Kuyl,O.S. et al. The application of palynology to oil geology with special reference to Western Venezuela. |
1955 |
| details |
Carboniferous |
|
Nd |
Potonie,R. The biology of Carboniferous spores |
1955 |
| details |
Late Chesterian |
Middle Permian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Middle Devonian |
|
Canada(Gaspe Area) |
Radforth,N.W. et al. Some plant microfossils important to Pre-Carboniferous stratigraphy and contributing to our knowledge of the Early Floas. |
1954 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Paleozoic |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Late Pennsylvanian |
|
West Virginia |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Late Pennsylvanian |
|
Ohio |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
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 |
Morrowan |
Desmoinesian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |