| original |
Middle Devonian |
|
Canada |
Deunff,J. A fossil Devonian microplankton of Hystrichospheres from the North American Continent. |
1955 |
| details |
Early Gedinnian |
|
Spain |
Cramer,F.H. A provisional note on the occurrence of microplankton and sporomorphs in the sedimentary rocks of the Lower Devonia in the Cantabrian Mountains |
1963 |
| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| 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 |
| details |
Siegenian |
|
Romania |
Beju,D. Zoning and correlation of the Paleozoic of the Moesian Platform on the basis of palynoprotistological assemblages.1. |
1972 |
| details |
Nd |
|
Nd |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Siegenian |
Eifelian |
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Middle Devonian |
|
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 |