| original |
Middle Devonian |
Late Devonian |
Ohio |
Boneham,R.F. Devonian Tasmanites from Michigan, Ontario and northern Ohio |
1967 |
| original |
Middle Devonian |
Late Devonian |
Michigan |
Boneham,R.F. Devonian Tasmanites from Michigan, Ontario and northern Ohio |
1967 |
| original |
Middle Devonian |
Late Devonian |
Canada(Ontario) |
Boneham,R.F. Devonian Tasmanites from Michigan, Ontario and northern Ohio |
1967 |
| details |
Eifelian |
Famennian |
Canada(Ontario) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Frasnian |
Famennian |
Michigan |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Frasnian |
Famennian |
Ohio |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |