| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Late Carboniferous |
|
England |
Chaloner,W.G. On the megaspores of Sigillaria |
1953 |
| details |
Late Carboniferous |
|
North America |
Chaloner,W.G. On the megaspores of Sigillaria |
1953 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Late Devonian |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
|
|
Poland |
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 |
Late Carboniferous |
|
Poland |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Middle Devonian |
Early Carboniferous |
Nd |
Sladkov,A.N. Types of tetrads, hexads and spores. |
1970 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Carboniferous |
|
Poland |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |