original |
Early Chattian |
|
E.Germany |
Krutzsch,W. Atlas of Middle and Upper Tertiary dispersed spores and pollen as well as microplankton of northern Middle Europe.1.Levigate and Toriate Trilete spore-forms. |
1962 |
original |
Early Callovian |
|
|
Volkheimer,W. Palynological study of a Callovian Coal from Neuqu©n and considerations of the Jurassic paleoclimates of Argentina |
1972 |
original |
Oligocene |
Early Miocene |
Europe |
Hochuli,P.A. Palynological investigations of the Oligocene and the Early Miocene of the Central and Western Paratethys. |
1978 |