original |
Middle Devonian |
|
New York |
Banks,H.P. et al. Leclercqia complexa gen.et sp., a new Lycopod from the Late Middle Devonian of eastern New York |
1972 |
details |
Middle Devonian |
|
New York |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
details |
Downtonian |
Dittonian |
United Kingdom |
Richardson,J.B. Some British Lower Devonian spore assemblages and their stratigraphic significance. |
1967 |
details |
Siegenian |
|
Wales |
Richard,G. Composition and stratigraphic significance of dispersed-miospore assemblages from the Lower Devonian Cosheston Group, southwest Wales. |
1984 |
details |
Lochkovian |
|
Wales |
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 |
details |
Late Devonian |
Early Mississippian |
West Virginia |
Curry,R.P. et al. A preliminary report on Upper Devonian microfossils from the Allegheny Front in Maryland and West Virginia. |
1972 |