| 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 |
Recent |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Paleozoic |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Westphalian A |
|
Belgium |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Westphalian A |
|
England(Yorkshire) |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Westphalian A |
|
England(Lancashire) |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Westphalian A |
|
Netherlands |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Carboniferous |
|
England |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |