| details |
Carboniferous |
|
Scotland(Fife) |
Knox,E.M. The spores of Pteridophyta, with observations on microspores in Coals of Carboniferous age. |
1939 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Tournaisian |
Namurian |
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |
| details |
Nd |
|
Nd |
Potonie,R. The phylogeny of the spore shape in regard to families of fossil plants (except the angiosperms). |
1961 |
| details |
|
|
France |
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 |
Nd |
|
Nd |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Nd |
|
Nd |
Potonie,R. New phylogenetic facts on fossil spores. |
1967 |
| details |
Pottsville |
|
Kentucky |
Taylor,T.N. On the structure of Bowmanites dawsoni from the Lower Pennsylvanian of North America. |
1969 |