| original |
Frasnian |
|
France |
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 |
| 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 |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |