| original |
Late Couvinian |
|
France |
Deunff,J. Planktonic microorganisms (Hystrichospheres) in the Devonian of the Armoricain Massif. |
1954 |
| details |
Devonian |
|
France |
Deunff,J. Recent progress in the knowledge of fossil microplankton, especially Hystrichospheres, of the Paleozoic Seas |
1956 |
| details |
Siegenian |
|
France(Manche) |
Doubinger,J. Palynologic-Planktonic study of some Lower Devonian (Siegenian) samples from the Cotentin. |
1963 |
| details |
Late Couvinian |
|
France |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Late Couvinian |
|
France |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Middle Devonian |
|
France |
Lister,T.R. The acritarchs and chitinozoa from the Wenlockian and Ludlowvian series of the Ludlovian and Millichope areas, Shrophire. |
1970 |
| 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 |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |