original |
Carboniferous |
|
England |
Knox,E.M. The spores of Pteridophyta, with observations on microspores in Coals of Carboniferous age. |
1939 |
original |
Middle Oligocene |
|
USSR(Kazakh SSR) |
Abuzyarova,R.Y. et al. Spore-pollen complex of the Region of Akmola. |
1955 |
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 |
original |
Late Cretaceous |
|
Colorado |
Clarke,R.T. Palynology of Vermejo Formation Coals, (Upper Cretaceous) in the Canon City Coal Field, Fremont County, Colorado |
1963 |
original |
Late Permian |
|
Oklahoma |
Clapham,W.B. Evolution of Upper Permian terrestrial floras in Oklahoma as determined from pollen and spores. |
1970 |
original |
Bajocian |
Bathonian |
Norway |
Vigran,J.O. et al. Illustrations and distribution of the Jurassic palynomorphs of Norway. |
1975 |