| original |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Westphalian A |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Westphalian A |
Westphalian D |
England |
Chaloner,W.G. On Spencerisporites, gen.nov., and Spencerisporites karezewskii, (Zerndt), the isolated spores of Spencerites insignis (Scott). |
1951 |
| details |
Namurian C |
Westphalian C |
Poland |
Chaloner,W.G. On Spencerisporites, gen.nov., and Spencerisporites karezewskii, (Zerndt), the isolated spores of Spencerites insignis (Scott). |
1951 |
| details |
Nd |
|
Nd |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| details |
Permian |
|
Turkey |
Yahsiman,K. et al. Permian megaspores from Hazru (Diyarbakir). |
1959 |
| details |
Late Morrowan |
|
Oklahoma |
Felix,C.J. et al. An American occurrence of Spencerisporites. |
1959 |
| details |
Late Morrowan |
|
Texas |
Felix,C.J. et al. An American occurrence of Spencerisporites. |
1959 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |