| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Albian |
Turonian |
E.Germany |
Krutzsch,W. The stratigraphic classification of spores from the Upper Cretaceous in North Central Europe-Methodical Bases and present status of investigations |
1966 |
| original |
Wealden |
|
Belgium |
Delcourt,A.F. et al. Spores and pollen of the Wealdian of Hainaut. |
1955 |
| details |
Early Cretaceous |
|
Belgium |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |