| original |
Namurian A |
|
Poland |
Remy,W. et al. Simplotheca silesiaca n.gen.et sp |
1955 |
| details |
Namurian A |
|
Germany |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Pottsville |
|
Alabama |
Woerner,E.G. A palynological investigation of the Mary Lee and Blue Creek Coal Seams in the northern Black Warrior Basin, Alabama. |
1981 |
| details |
Carboniferous |
|
Germany |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |