| details |
Triassic |
|
USA |
Dobruskina,I.A. Some problems of the systematics of the Triassic Lepidophytes |
1985 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Nd |
|
Nd |
Potonie,R. New phylogenetic facts on fossil spores. |
1967 |
| details |
Carboniferous |
Permian |
Nd |
Remy,W. Monosaccate pteridospermous pollen of the Carboniferous and Permian as well as general considerations of Paleozoic pollen with air sacs. |
1954 |
| details |
Carboniferous |
|
Nd |
Potonie,R. The biology of Carboniferous spores |
1955 |
| details |
Westphalian |
|
Nd |
Potonie,R. Main trends in the evolution of spores. |
1971 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |