| 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 |
Frasnian |
|
France(Boulonnais) |
Taugourdeau-Lantz,J. First information of the Tasmanaceae of France |
1968 |
| details |
Pleistocene |
|
Indiana |
Boneham,R.F. Devonian plant remains in a Pleistocene glacial deposit. |
1970 |
| details |
Devonian |
|
Indiana |
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 |
Canada(Ontario) |
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 |
| details |
Early Cambrian |
|
USSR(Belorussian SSR) |
Piskun,L.V. et al. Paleobiogeography of the Lower Cambrian deposits of Byelorussia |
1992 |