| original |
Eifelian |
|
Germany(Hesse) |
Kr¤usel,R. et al. Pflanzenreste aus dem Devon. X. Zwei Pflanzen im Oberdevon der Eifel |
1937 |
| details |
Late Devonian |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Late Devonian |
|
Germany |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Late Devonian |
|
Nd |
Potonie,R. Main trends in the evolution of spores. |
1971 |
| details |
Early Devonian |
|
Nd |
Allen,K.C. A review of in situ, Late Silurian and Devonian spores. |
1980 |
| details |
Devonian |
|
Germany |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |