| details |
Turonian |
|
USA(Atlantic Coast.Pl.) |
Groot,J.J. et al. Plant microfossils and age of the Raritan, Tuscaloosa and Magothy Formations of the eastern United States. |
1961 |
| details |
Middle Senonian |
|
W.Germany(N.Rhine) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Turonian |
Paleocene |
Germany(Saxony) |
Krutzsch,W. Spore-paleontologic investigations in the Saxonian-Bohemian Cretaceous and the classification of the Upper Cretaceous on a microbotanical basis. |
1957 |
| original |
Danian |
Bartonian |
E.Germany(Neubranden.) |
Krutzsch,W. et al. On the stratigraphic position of the Latdorf Stage in the Paleogene. |
1957 |
| details |
Paleocene |
Danian |
Nd |
Krutzsch,W. Toward the knowledge and significance of abnormal development of fossil pollen and spores. |
1956 |
| original |
Middle Senonian |
|
W.Germany(N.Rhine) |
Pflug,H.D. Origin and development of the angiosperm pollen in earth history |
1953 |