| 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 |
Maryland |
Curry,R.P. et al. A preliminary report on Upper Devonian microfossils from the Allegheny Front in Maryland and West Virginia. |
1972 |
| 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 |
| details |
Givetian |
|
Nd |
Chaloner,W.G. Spores and Land-Plant evolution. |
1967 |
| 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 |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |