| original |
Chesterian |
|
Canada(Alberta) |
Staplin,F.L. Upper Mississippian plant spores from the Golata Formation, Alberta, Canada. |
1960 |
| details |
Late Devonian |
Permian |
Nd |
Pi©rart,P. Third report on Lycospora |
1962 |
| details |
Tournaisian |
Visean |
England |
Butterworth,M.A. et al. Lower Carboniferous spores from North-West England |
1967 |
| details |
Early Chesterian |
Middle Chesterian |
Oklahoma |
Harris,R.W. Palynology of the Sand Branch Member of the Caney Shale Formation, (Mississippian), of Southern Oklahoma. |
1971 |
| details |
Chesterian |
|
Canada(Alberta) |
Somers,Y. Revision of the genus Lycospora, Schopf, Wilson and Bentall. |
1972 |
| details |
Early Namurian A |
|
Poland |
DybovЎ-Jachowiczowa,S. Miospore stratigraphy of the upper part of the Hrusov Beds in the vicinity of Szombierki (Upper Silesia). |
1975 |