| details |
Frasnian |
|
England(Bedfordshire) |
Mortimer,M.G. et al. Devonian megaspores from the Wyboston borehole, Bedfordshire, England |
1967 |
| details |
Devonian |
|
England(Bedfordshire) |
Mortimer,M.G. et al. Correction of name for a Devonian megaspore |
1967 |
| details |
Frasnian |
|
England(Bedfordshire) |
Mortimer,M.G. et al. Devonian megaspores from the Wyboston borehole, Bedfordshire, England |
1967 |
| details |
Devonian |
|
England(Bedfordshire) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Late Frasnian |
|
France(Pas-de-Calais) |
Taugourdeau-Lantz,J. Spores from the Frasnian of an authorized region, the Boulonnais. |
1971 |