| original |
Middle Senonian |
|
W.Germany(N.Rhine) |
Weyland,H. et al. The spores and pollen of the Cretaceous of Aachen and their meaning for the characterization of the Middle Senonian. |
1953 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Early Cretaceous |
|
Canada(Saskatchewan) |
Steeves,M.W. et al. Spores and pollen from the Lower Cretaceous of Saskatchewan, Canada. Part I. Sporites. |
1967 |
| details |
Middle Senonian |
|
W.Germany(N.Rhine) |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |