| details |
Westphalian B |
Westphalian C |
Germany |
Butterworth,M.A. Miospore distribution in the Namurian and Westphalian. |
1964 |
| details |
Namurian A |
Westphalian D |
United Kingdom |
Butterworth,M.A. Miospore distribution in the Namurian and Westphalian. |
1964 |
| details |
Namurian B |
Westphalian D |
USA |
Butterworth,M.A. Miospore distribution in the Namurian and Westphalian. |
1964 |
| details |
Late Visean |
Early Namurian |
England |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Westphalian B |
|
Germany |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Late Visean |
Early Namurian |
USSR |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Westphalian A |
|
USSR |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Late Visean |
Early Namurian |
Poland |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Westphalian A |
|
Poland |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Westphalian A |
|
Canada |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Visean |
Namurian |
Utah |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Westphalian A |
|
Illinois |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Visean |
Namurian |
Kentucky |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Visean |
Namurian |
Illinois |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Visean |
Namurian |
Montana |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Late Visean |
Early Namurian |
Scotland |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Namurian C |
Westphalian D |
Canada |
Butterworth,M.A. Miospore distribution in the Namurian and Westphalian. |
1964 |