| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Namurian | Westphalian | Belgium | Pi©rart,P. Utilization of megaspores in Coal stratigraphy. | 1958 |
| details | Late Westphalian | Poland | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 | 1956 | |
| details | Late Carboniferous | W.Germany | Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. | 1954 | |
| details | Westphalian C | W.Germany(N.Rhine) | Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. | 1954 |