| details |
Westphalian A |
|
Nd |
Remy,W. et al. Information on spores which were obtained from compressed fructifications of true ferns of the Carboniferous.Part 1. |
1955 |
| details |
Carboniferous |
|
Germany |
Remy,W. et al. Paleozoic spores obtained by the maceration of fertile ferns. |
1957 |
| details |
Carboniferous |
|
Germany |
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 |
Tatarian |
|
USSR(Nenets Nat.Okrug) |
Entsova,F.I. et al. The boundary between the Permian and Triassic in the North Pre Urals |
1974 |
| details |
Nd |
|
Nd |
Potonie,R. Examples of the natural system of spores, a supplement to the synopsis of the Sporae in situ, 1963 and the research reports from 1965,1967, and 1970 and to the phylogenetic sporolog 1973 |
1975 |
| details |
Carboniferous |
Permian |
France |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Carboniferous |
|
Germany |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |