| original |
Middle Devonian |
|
Canada |
Deunff,J. New microorganisms (Hystrichospheres) from the Devonian of North America. |
1957 |
| details |
Middle Devonian |
|
Canada |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Middle Devonian |
|
Canada |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Late Ordovician |
Silurian |
France(Loire Atlantique) |
Moreau-Benoit,A. Stratigraphic palynology of the Silurian and Devonian in the southeast part of the Breton Massif, (Saint-Julien-de-Vouantes and Ancenis Synclinoria). |
1972 |
| details |
Emsian |
|
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Middle Devonian |
|
Canada |
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 |