| original |
Late Emsian |
Early Eifelian |
Canada(Quebec) |
Banks,H.P. et al. Anatomy and morphology of Psilophyton dawsonii, sp. n. from the Late Lower Devonian of Quebec. (Gaspe), and Ontario, Canada. |
1975 |
| original |
Late Emsian |
Early Eifelian |
Canada(Ontario) |
Banks,H.P. et al. Anatomy and morphology of Psilophyton dawsonii, sp. n. from the Late Lower Devonian of Quebec. (Gaspe), and Ontario, Canada. |
1975 |
| details |
Early Devonian |
|
Nd |
Millay,M.A. et al. Paleozoic seed fern pollen organs. |
1979 |
| details |
Devonian |
|
Nd |
Gensel,P.G. Devonian in situ, spores: A survey and discussion. |
1980 |
| details |
Early Devonian |
|
Nd |
Allen,K.C. A review of in situ, Late Silurian and Devonian spores. |
1980 |
| details |
Late Emsian |
|
Canada(Quebec) |
Stubblefield,S.P. et al. Fungal remains in the Devonian Trimerophyte Psilophyton dawsonii. |
1983 |
| details |
Devonian |
|
Canada |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Emsian |
|
Nd |
Edwards,D. et al. In situ, pollen and spores in plant evolution. 14A -Review of in situ, spores in early land plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |