| details |
Westphalian A |
Westphalian C |
Czechoslovakia |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Late Westphalian |
|
Czechoslovakia |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Westphalian C |
|
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. A study of megaspores from the Nyrany Measures (Westphalian D) of the Bohemian Carboniferous. |
1967 |
| details |
Late Westphalian |
|
Czechoslovakia |
Potonie,R. et al. The sporae dispersae of the Ruhr Carboniferous, their morphography and stratigraphy with reviews of species of other areas. Part 1. |
1955 |