| original |
Late Devonian |
|
Canada(Ontario) |
Deunff,J. Presence of acritarchs in a Devonian series of Lake Huron, (Canada). |
1967 |
| details |
Emsian |
Givetian |
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Late Devonian |
|
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Late Devonian |
|
Canada(Ontario) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Vol.5 Acritarcha. |
1979 |
| details |
Early Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |