details |
Early Springerian |
Middle Springerian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
details |
Middle Devonian |
Late Devonian |
Canada(Ontario) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
details |
Middle Devonian |
Late Devonian |
Canada(Gaspe Area) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
details |
Early Devonian |
Middle Devonian |
Canada(Gaspe Area) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
details |
Devonian |
|
Libya |
Wray,J.L. Paleozoic palynomorphs from Libya. (In: Palynology in Oil Exploration, Aureal T. Cross, editor) |
1964 |
original |
Early Frasnian |
|
Australia(W.Australia) |
Balme,B.E. Miospores from Late Devonian (Early Frasnian) strata, Carnarvon Basin, Western Australia. |
1988 |
original |
Early Frasnian |
|
Australia(W.Australia) |
Balme,B.E. Miospores from Late Devonian (Early Frasnian) strata, Carnarvon Basin, Western Australia. |
1988 |
details |
Late Emsian |
|
England(Devonshire) |
Dean,A. Short Paper; palynomorphs from deformed low-grade metamorphic rocks; an SEM-based technique. |
1989 |