| details |
Stephanian |
Autunian |
France |
Doubinger,J. Spores of some fossil reproductive organs from the Stephanian and the Autunian. |
1961 |
| details |
Nd |
|
Nd |
Pi©rart,P. The evolution of the megaspores. |
1961 |
| details |
Nd |
|
Germany |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Carboniferous |
|
United Kingdom |
Potonie,R. Rules by which the Secondary Folds of spores Form. |
1962 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Late Allegheny |
|
Georgia |
Abbott,M.L. Lycopsid stems and roots and Sphenopsid fructifications and stems from the Upper Freeport County of southeastern Ohio. |
1968 |
| details |
Carboniferous |
|
Germany |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Carboniferous |
|
France |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |