| details |
Late Carboniferous |
Permian |
India |
Alpern,B. The stratigraphic palynology of the Stephanian and the Permian. |
1964 |
| details |
Stephanian |
Permian |
Nd |
Alpern,B. Stratigraphic palynology of the Stephanian and Permian. |
1964 |
| details |
Nd |
|
Nd |
Jansonius,J. et al. Late Paleozoic saccate pollen |
1962 |
| original |
Virgilian |
Leonardian |
Texas |
Jizba,K.M. Late Paleozoic bisaccate pollen from the United States Midcontinent area. |
1962 |
| original |
Virgilian |
Leonardian |
Oklahoma |
Jizba,K.M. Late Paleozoic bisaccate pollen from the United States Midcontinent area. |
1962 |
| original |
Virgilian |
Leonardian |
Kansas |
Jizba,K.M. Late Paleozoic bisaccate pollen from the United States Midcontinent area. |
1962 |