| details |
Givetian |
|
Ohio |
Wicander,R. et al. Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA. |
1981 |
| details |
Eifelian |
Givetian |
Canada(Ontario) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Eifelian |
|
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Early Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Llandoverian |
|
Canada(Ontario) |
Eley,B.E. et al. Palynomorphs from the Manitoulin Formation (Early Llandovery) of Southern Ontario |
1988 |
| details |
Early Devonian |
|
Canada(Ontario) |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Early Devonian |
|
Canada(Ontario) |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Devonian |
|
Canada |
Deunff,J. Recent progress in the knowledge of fossil microplankton, especially Hystrichospheres, of the Paleozoic Seas |
1956 |
| details |
Devonian |
|
Canada |
Deunff,J. Some details concerning the Hystrichosphaeridae from the Devonian of Canada. |
1961 |
| original |
Early Devonian |
|
Canada(Ontario) |
Deunff,J. On a microplankton from the Devonian of Canada containing some new types of Hystrichosphaerids. |
1954 |
| details |
Devonian |
|
Canada |
Deunff,J. Research on the Devonian microplankton (Acritarchs and Dinophyceae). |
1965 |
| details |
Devonian |
|
Canada |
Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). |
1967 |
| details |
Devonian |
|
USA |
Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). |
1967 |
| details |
Devonian |
|
France |
Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). |
1967 |
| details |
Devonian |
|
Tunisia |
Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). |
1967 |