details |
Pennsylvanian |
|
Ohio |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |
details |
Pennsylvanian |
|
USA(Mid-Continent) |
Taylor,W.A. Comparative analysis of megaspore ultrastructure in Pennsylvanian Lycophytes |
1990 |
details |
Eocene |
|
Australia(S.Australia) |
Wopfner,H. et al. The Lower Tertiary Eyre Formation of the Great Artesian Basin |
1974 |
details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
details |
Paleocene |
|
Colombia |
Hammen,T.Van Der et al. The Paleocene pollen flora of Columbia. |
1966 |
details |
Paleocene |
|
Australia(Victoria) |
Harris,W.K. Basal Tertiary microfloras from the Princetown area, Victoria, Australia. |
1965 |
details |
Maestrichtian |
|
Colombia |
Harris,W.K. Basal Tertiary microfloras from the Princetown area, Victoria, Australia. |
1965 |
details |
Carboniferous |
|
Poland |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
original |
Maestrichtian |
|
Colombia |
Hammen,T.Van Der et al. The development of the Colombian flora through geological period I: Maestrichtian to Lower Tertiary. |
1954 |
details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
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 |
Westphalian |
|
W.Germany(Saarland) |
Zerndt,J. Megaspores of the Saar Carboniferous |
1940 |
details |
Middle Pennsylvanian |
|
Illinois |
Arnold,C.A. Note on a Lepidophyte strobilus containing large spores, from Braidwood, Illinois. |
1938 |
details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
details |
Carboniferous |
|
Poland |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
details |
Westphalian |
Stephanian |
Czechoslovakia |
Zerndt,J. Megaspores from the Westphalian and Stephanian in Bohemia. |
1937 |