original |
Gedinnian |
Frasnian |
Poland |
Turnau,E. Lower to Middle Devonian spores from the vicinity of Pionki, (central Poland). |
1986 |
original |
Desmoinesian |
|
Iowa |
Baxendale,R.W. et al. A new fertile Schizaeaceous fern from Middle Penns Ylvanian Iowa Coal Balls |
1977 |
original |
Pottsville |
|
Ohio |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
original |
Late Carboniferous |
|
England(Yorkshire) |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
original |
Westphalian |
|
Germany |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
original |
Westphalian |
|
France |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
original |
Early Permian |
|
South Africa |
Rayner,R.J. Azaniadendron, a new genus of Lycopod from South Africa. |
1986 |
original |
Late Pennsylvanian |
|
Illinois |
Mamay,S.H. Biscalitheca, a new genus of Pennsylvanian Coenopterids, based on fruitification. |
1957 |
original |
Early Devonian |
|
USSR(Krasnoyarsk Kray) |
Nadler,Y.S. On the spores of Protobarenophytion abrutschevii Ananiev |
1966 |
original |
Early Devonian |
|
USSR(Kemerovskaya) |
Nadler,Y.S. On the spores of Protobarenophytion abrutschevii Ananiev |
1966 |
original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
original |
Late Keweenawan |
|
Michigan |
Moore,L.R. et al. A Geomicrobiological study of the Pre-Cambrian Nonsuch Shale |
1969 |
original |
Late Keweenawan |
|
Michigan |
Moore,L.R. et al. A Geomicrobiological study of the Pre-Cambrian Nonsuch Shale |
1969 |