| details |
Early Carboniferous |
|
Nd |
Chaloner,W.G. Paleozoic fossil spores and pollen |
1957 |
| details |
Dinantian |
|
England |
Chaloner,W.G. Isolated megaspore tetrads of Stauropteris burntislandica. |
1958 |
| details |
Early Carboniferous |
|
France |
Galtier,J. On the Lower Carboniferous floras of Esnost and Roannais. |
1971 |
| details |
Carboniferous |
|
France |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Carboniferous |
|
England |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |