| 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 |
Early Namurian A |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. Microspore phases in the coal layers of the Upper Silesian Coal Basins. |
1970 |
| details |
Chesterian |
|
Canada(Alberta) |
Somers,Y. Revision of the genus Lycospora, Schopf, Wilson and Bentall. |
1972 |
| details |
Early Carboniferous |
|
China |
Gao,L. Devonian and Carboniferous spores. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |