| 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) |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Precambriam |
Cambrian |
India(Uttar Pradesh) |
Ghosh,A.K. et al. Microfossils from the Vindhyans |
1950 |
| details |
Pennsylvanian |
|
Pennsylvania |
Ferm,J.C. Megaspores of the Middle (?) Kittanning Coal in Beaver County, Pennsylvania. |
1950 |
| 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 |
Westphalian A |
Westphalian D |
Turkey |
Dijkstra,S.J. Megaspqres of the Turkish Carboniferous and their stratigraphical value. |
1952 |
| details |
Late Westphalian B |
Permian |
Pennsylvania |
Cross,A.T. et al. Representative microfossil floras of some Appalachian Coals |
1952 |
| details |
Westphalian |
|
Netherlands |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian |
|
Turkey |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian B |
Westphalian D |
Poland |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Pottsville |
Permian |
USA(Appalachian Bn.) |
Cross,A.T. et al. Microfossil floras of the Upper Carboniferous Coals of eastern United States (Appalachian Basin) |
1954 |
| details |
Jurassic |
|
India(Bihar) |
Vishnu-Mittre Petrified spores and pollen grains from the Jurassic rocks of Rajmahal Hills, Bihar. |
1954 |
| details |
Precambriam |
Cambrian |
India |
Ghosh,A.K. et al. Spores from Cambrian and Pre-Cambrian Beds of India and USA |
1955 |
| details |
Precambriam |
Cambrian |
USA |
Ghosh,A.K. et al. Spores from Cambrian and Pre-Cambrian Beds of India and USA |
1955 |
| details |
Jurassic |
Cretaceous |
USSR |
Bolkhovitina,N.A. Criticism and bibliography on the classification of fossil pollen and spores and on the type of atlas for their identificaion. |
1955 |