| original |
Devonian |
|
Poland |
Eisenack,A. Some plant finds in secondary deposits and some comments on the Hystrichosphere problem. |
1944 |
| original |
Senonian |
|
Netherlands |
Dijkstra,S.J. Megaspores and some other fossils from the Aachenian (Senonian) in South Limburg, Netherlands. |
1949 |
| details |
Senonian |
|
Germany(Rhineland) |
Vangerow,E.F. Megaspores and other plant microfossils of the Aachen Cretaceous |
1954 |
| details |
Senonian |
|
Netherlands |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Eifelian |
Givetian |
Scotland(Orkney) |
Richardson,J.B. Middle Old Red Sandstone spore assemblages from the Orcadian Basin, northeast Scotland. |
1965 |
| details |
Devonian |
|
Poland |
Richardson,J.B. Middle Old Red Sandstone spore assemblages from the Orcadian Basin, northeast Scotland. |
1965 |
| details |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| details |
Middle Emsian |
|
England(Oxfordshire) |
Richardson,J.B. et al. Palynomorphs in Lower Devonian sediments from the Apley Barn borehole, Southern England. |
1978 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |