| details |
Early Carboniferous |
|
Nd |
Knox,E.M. Some aspects of microspore morphology. |
1959 |
| details |
Early Pennsylvanian |
|
Illinois |
Kosanke,R.M. Correlation of Coals and spore analysis. |
1954 |
| details |
Namurian |
|
Romania |
Baltes,N. et al. Palynologic contributions to the knowledge of stratigraphy of deposits drilled in the Moesic Platform. |
1963 |
| details |
Late Pottsville |
|
Indiana |
Neavel,R.C. et al. Indiana Paper Coal |
1960 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Namurian A |
Westphalian A |
United Kingdom |
Butterworth,M.A. Miospore distribution in the Namurian and Westphalian. |
1964 |
| details |
Namurian A |
Westphalian A |
USA |
Butterworth,M.A. Miospore distribution in the Namurian and Westphalian. |
1964 |
| details |
Late Visean |
Early Namurian |
Illinois |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |