| original |
Tournaisian |
Visean |
England |
Butterworth,M.A. et al. Lower Carboniferous spores from North-West England |
1967 |
| details |
Nd |
|
England |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Early Tournaisian |
Early Visean |
England |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Dinantian |
|
England(Cumberland) |
Spinner,E. Further studies on the megaspore genus Setispora Butterworth and Spinner,1967. |
1982 |
| details |
Early Carboniferous |
|
England(Northumberland) |
Mortimer,M.G. In situ megaspores from Lepidostrobophyllum finbriatum (Kidston) Allen from the Lower Carboniferous of North-West England. (In: Studies in Palaeobotany and Palynology in Honor of N.F.Hughes. D.J.Batten and D.E.G.Briggs, editors) |
1986 |
| details |
Early Carboniferous |
|
England |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Middle Visean |
Late Visean |
Nd |
Scott,A.C. et al. Paleozoic spores and pollen. Chapter 18G Palaeozoic megaspores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |