original |
Late Pliocene |
|
Belgium |
Hacquaert,N. Palynological study of Cenozoic marine Sands, (Scaldisian and Merxemian), from the Hansadok of Antwerp. |
1960 |
original |
Late Pennsylvanian |
|
Illinois |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
original |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
original |
Permian |
|
Antarctica |
Schopf,J.M. A preliminary report on plant remains and coal of the sedimentary section in the Central range of the Horlick Mountains, Antarctica. |
1962 |