| details |
Stephanian |
|
France |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
|
|
England |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Westphalian C |
|
England(Cumberland) |
Thomas,B.A. et al. A fertile Zeilleria avoldensis from the British Upper Carboniferous. |
1971 |
| original |
Westphalian C |
|
England(Cumberland) |
Thomas,B.A. et al. A fertile Zeilleria avoldensis from the British Upper Carboniferous. |
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 |