| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. The paleobotanical significance of plant structure in coal. |
1936 |
| details |
Paleocene |
|
Colombia |
Hammen,T.Van Der et al. The Paleocene pollen flora of Columbia. |
1966 |
| details |
Westphalian A |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Namurian B |
|
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Zwickau and Lugau-Oelsnitz Carboniferous. |
1932 |
| details |
Paleocene |
|
Australia(Victoria) |
Harris,W.K. Basal Tertiary microfloras from the Princetown area, Victoria, Australia. |
1965 |
| details |
Middle Pennsylvanian |
|
Illinois |
Arnold,C.A. Note on a Lepidophyte strobilus containing large spores, from Braidwood, Illinois. |
1938 |
| details |
Westphalian |
Stephanian |
Czechoslovakia |
Zerndt,J. Megaspores from the Westphalian and Stephanian in Bohemia. |
1937 |
| details |
Maestrichtian |
|
Colombia |
Harris,W.K. Basal Tertiary microfloras from the Princetown area, Victoria, Australia. |
1965 |