| original |
Late Devonian |
Early Mississippian |
Ohio |
Wicander,E.R. Upper Devonian-Lower Mississippian acritarchs and Prasinophycean algae from Ohio, USA. |
1974 |
| details |
Famennian |
Tournaisian |
Ohio |
Wicander,E.R. Fluctuations in a Late Devonian-Early Mississippian phytoplankton flora of Ohio, USA. |
1975 |
| details |
Late Famennian |
|
Belgium |
Vanguestaine,M. Upper Famennian acritarchs from the Tohogne (Belgium) Borehole and transcontinental biostratigraphic correlation. |
1978 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Famennian |
|
Ohio |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystricosphaeres and related microfossils. |
1979 |
| details |
Late Devonian |
Mississippian |
Ohio |
Tappan,H. The Paleobiology of Plant Protists. |
1980 |
| details |
Early Frasnian |
|
France(Pas-de-Calais) |
Deunff,J. Preliminary observations on the paleophytoplankton of a cutting from Caffiers, (Givetien - Frasnien du Boulnnais, France). |
1981 |
| details |
Middle Famennian |
Late Famennian |
Ohio |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Late Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| original |
Ashgillian |
|
Sweden(Gotland) |
Eiserhardt,K.H. The Acritarchs of the –jlemyrflintes. |
1992 |
| details |
Ashgillian |
Llandoverian |
Sweden(Gotland) |
Eiserhardt,K.H. The Acritarchs of the –jlemyrflintes. |
1992 |