| original |
Middle Frasnian |
Late Frasnian |
Maryland |
Curry,R.P. Upper Devonian miospores from the Greenland Gap Group, Allegheny Front, Eastern United States. |
1973 |
| details |
Middle Frasnian |
Late Frasnian |
Maryland |
Curry,R.P. Miospores from the Upper Devonian (Frasnian) Greenland Gap Group, Allegheny Front, Maryland, West Virginia and Virginia, USA. |
1975 |
| details |
Middle Frasnian |
Late Frasnian |
West Virginia |
Curry,R.P. Miospores from the Upper Devonian (Frasnian) Greenland Gap Group, Allegheny Front, Maryland, West Virginia and Virginia, USA. |
1975 |
| details |
Middle Frasnian |
Late Frasnian |
Virginia |
Curry,R.P. Miospores from the Upper Devonian (Frasnian) Greenland Gap Group, Allegheny Front, Maryland, West Virginia and Virginia, USA. |
1975 |
| details |
Olenikian |
|
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |