| details |
Early Springerian |
Middle Springerian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Early Devonian |
|
Canada(Gaspe Area) |
Scott,D.L. et al. Perforosporites, a new genus of plant spores from the Lower Devonian of eastern Canada. |
1961 |
| details |
Middle Devonian |
|
Australia(Tasmania) |
Spry,A. et al. The geology of Tasmania. (In: The geology of Tasmania, Chapters 4,5,6,7) |
1962 |
| details |
Givetian |
|
Australia(Tasmania) |
Banks,M.R. Silurian and Devonian systems. (In: The geology of Tasmania) |
1962 |
| details |
Middle Devonian |
|
Brazil(Pernambuco) |
Brito,I.M. Short note on the Devonian microfossils of Pernambuco |
1965 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Frasnian |
|
Australia |
Owens,B. et al. Some recent advances in Devonian palynology. A review. Report of CIMP Working Group No.13B. |
1972 |
| details |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |