| details |
Late Carboniferous |
|
Germany |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Late Carboniferous |
|
Czechoslovakia |
Sen,J. Notes on the spores of four Carboniferous Lycopods |
1958 |
| details |
Carboniferous |
|
England(Yorkshire) |
Moore,L.R. On the spores of some Carboniferous plants, their development. |
1946 |
| details |
Paleozoic |
|
Nd |
Brush,G.S. et al. The natural relationships of some Carboniferous microspores |
1965 |
| details |
Carboniferous |
|
England |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |