| details |
Late Devonian |
|
Canada(Alberta) |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Late Devonian |
|
Canada(Alberta) |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| original |
Devonian |
|
Tunisia |
Deunff,J. Research on the Devonian microplankton (Acritarchs and Dinophyceae). |
1965 |
| details |
Middle Frasnian |
|
Belgium |
Dricot,E.M. Evolution and paleogeographic distribution of microplankton (Acritarchs) in the Frasnian of Belgium. |
1967 |
| details |
Late Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |