| details |
Westphalian C |
Westphalian D |
E.Germany |
Remy,W. et al. Paleozoic spores obtained by the maceration of fertile ferns. |
1957 |
| details |
Westphalian |
|
England |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Westphalian C |
Westphalian D |
Germany |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Westphalian |
|
England |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Westphalian |
|
England |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Westphalian C |
Westphalian D |
E.Germany(Karl Marx) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Carboniferous |
|
France |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |