| details |
Pennsylvanian |
|
Indiana |
Gray,H.H. et al. Elementary statistics applied to palynologic identification of Coal Beds. |
1961 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Nd |
|
Nd |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Nd |
|
Nd |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the northern Coal Basin of France. |
1971 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Nd |
|
Nd |
Potonie,R. Species concept and paleobotany. |
1975 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Namurian |
Early Westphalian |
England(Staffordshire) |
Neves,R. Upper Carboniferous plant spore assemblages from the Gastrioceras Subcrenatum horizon, North Staffordshire. |
1958 |
| details |
Middle Permian |
|
India(Bihar) |
Kar,R.K. Palynology of the Barren Measures sequence from Jharia Coalfield, Bihar.- 1.Summary and discussion. |
1966 |
| details |
Middle Permian |
|
India(Bihar) |
Bharadwaj,D.C. Distribution of spores and pollen grains dispersed in the Lower Gondwana formations of India. |
1966 |
| original |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Middle Miocene |
Pleistocene |
Guatemala |
Burkart,B. et al. Mesozoic and Cenozoic stratigraphy of southeastern Guatemala. |
1973 |
| details |
Middle Desmoinesian |
Late Virgilian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |