| details |
Late Tithonian |
Berriasian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Wealden |
|
W.Germany(Niedersachsen) |
Hall,J.W. et al. Paxillitriletes, a new name for fossil megaspores hitherto invalidly named Thomsonia. |
1973 |
| details |
Berriasian |
|
Germany |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Wealden |
|
Germany |
Hall,J.W. et al. Paxillitriletes, a new name for fossil megaspores hitherto invalidly named Thomsonia. |
1973 |
| details |
Late Jurassic |
Early Cretaceous |
Canada(Alberta) |
Sweet,A.R. Jurassic and Cretaceous megaspores. |
1979 |