| details |
Nd |
|
Nd |
Deflandre,G. et al. Nomenclature and systematics of Hystrichospheres (Sens.Lat.) observations and recitifications. |
1961 |
| original |
Tremadocian |
|
Algeria |
Deunff,J. A microplankton of hystrichospheres in the Tremadocian of the Sahara. |
1961 |
| details |
Ordovician |
|
Nd |
Eisenack,A. Hystricosphaeres |
1963 |
| details |
Nd |
|
Nd |
Evitt,W.R. A discussion and proposals concerning fossil dinoflagellates, Hystrichospheres, and acritarchs. II. |
1963 |
| details |
Nd |
|
Nd |
Deflandre,G. et al. Notes on the acritarchs. |
1963 |
| details |
Tremadocian |
|
Nd |
Combaz,A. Palynofacies. |
1964 |
| details |
Tremadocian |
|
USSR |
Timofeev,B.V. Late Proterozoic and Early Paleozoic phytoplankton. (In: Report from the 1st All-Union Palynological Conference) |
1965 |
| details |
Tremadocian |
|
Africa |
Rudavskaya,V.A. Hystrichosphaerida of the Paleozoic Era |
1965 |
| details |
Nd |
|
Nd |
Brito,I.M. The acritarchs |
1967 |
| details |
Nd |
|
France |
Alpern,B. et al. Palaeobotany and palynology in France: a historical review. |
1968 |
| details |
Ordovician |
|
Romania |
Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. |
1971 |
| details |
Late Cambrian |
Early Ordovician |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Late Cambrian |
|
England |
Potter,T.L. British Cambrian acritarchs--A preliminary account. |
1974 |
| details |
Late Cambrian |
|
Wales |
Potter,T.L. British Cambrian acritarchs--A preliminary account. |
1974 |
| details |
Tremadocian |
|
England(Shropshire) |
Rasul,S.M. New species of the genus Vulcanisphaera (Acritarcha ), from the Tremadocian of England. |
1976 |
| details |
Cambrian |
Tremadocian |
Belgium |
Vanguestaine,M. New palynological information on the Lower Ordovician from the Senne Basin, Massif du Brabant, Belgium. |
1977 |
| details |
Late Cambrian |
Arenigian |
Wales |
Downie,C. et al. Changes in the acritarch assemblages at the Tremadoc boundaries in the United Kingdom. |
1979 |