| details |
Liassic |
|
Poland |
Marcinkiewicz,T. Megaspores of the Lias from Praszka, Zawiercie, and the Swiety Krzyz Mountains. |
1957 |
| details |
Middle Pennsylvanian |
|
Illinois |
Dimichele,W.A. et al. Lycopods of Pennsylvanian age Coals |
1979 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Dimichele,W.A. et al. Lycopods of Pennsylvanian age Coals |
1979 |
| details |
Middle Pennsylvanian |
|
Indiana |
Dimichele,W.A. et al. Lycopods of Pennsylvanian age Coals |
1979 |
| details |
Middle Pennsylvanian |
|
Illinois |
Gastaldo,R.A. An ultrastructural and taxonomic study of Valvisporites auritus (Zerndt) Bhardwaj, a lycopsid megaspore from the Middle Pennsylvanian of southern Illinois. |
1981 |
| details |
Monongahela |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Monongahela |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Nd |
|
Nd |
Lachkar,G. New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species. |
1968 |
| details |
Nd |
|
France(Saone-et-Loire) |
Pi©rart,P. Some megaspores from the Stephanian Coal of the Blanzy and Decazeville Basins. |
1955 |
| details |
Stephanian |
|
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
| original |
Stephanian |
|
Poland |
Zerndt,J. Megaspores of a Seam at Libiaz (Stephanian). |
1930 |
| details |
Stephanian |
|
France |
Pi©rart,P. Megaspores of the French Stephanian |
1965 |
| details |
Stephanian |
|
Poland |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Stephanian |
|
Poland |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
| original |
Stephanian B |
|
Czechoslovakia |
Zerndt,J. Megaspores from the Westphalian and Stephanian in Bohemia. |
1937 |