| details |
Tremadocian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| original |
Tremadocian |
|
Algeria |
Deunff,J. A microplankton of hystrichospheres in the Tremadocian of the Sahara. |
1961 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Acritarchs from Klabava Shales (Arenig). |
1972 |
| details |
Tremadocian |
|
France(Herault) |
Martin,F. Acritarchs of the Lower Ordovician of the Montagne Noire (Herault, France). |
1972 |
| details |
Early Tremadocian |
|
Belgium |
Martin,F. Cambrian-Ordovician acritarchs of the Massif du Brabant, Belgium. |
1975 |
| details |
Tremadocian |
|
Syria |
Yankauskas,T.V. et al. The Paleozoic of Syria-Arabian Republic |
1978 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Ordovician |
|
Nd |
Sarjeant,W.A.S. Acritarchs; anellotubulates; dinoflagellates; hystrichospheres; melanosclerites; tasmanitids. (Edited by Fairbridge and Jablonsky) |
1979 |
| details |
Tremadocian |
|
Canada(Newfoundland) |
Martin,F. et al. Middle and Upper Cambrian and Lower Ordovician acritarchs from Random Island, Eastern Newfoundland. |
1981 |
| details |
Early Llanvirnian |
|
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Tremadocian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |