| original |
Berriasian |
|
England(Sussex) |
Batten,D.J. Some British Wealden megaspores and their facies distribution. |
1969 |
| details |
Wealden |
|
England |
Hall,J.W. et al. Paxillitriletes, a new name for fossil megaspores hitherto invalidly named Thomsonia. |
1973 |
| details |
Berriasian |
|
England(Sussex) |
Hall,J.W. et al. Paxillitriletes, a new name for fossil megaspores hitherto invalidly named Thomsonia. |
1973 |
| details |
Albian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Biostratigraphic determinations from the subsurface of the District of Franklin and MacKenzie and the Yukon Teritory |
1976 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |