| details |
Tremadocian |
|
Spain |
Wolf,R. Acritarchs of the Tremadocian Keltiberien (northeast Spain). |
1980 |
| details |
Tremadocian |
Arenigian |
Italy(Sardinia) |
Tongiorgi,M. et al. First datation of palynological (acritarch) of the Solanas Formation (Tremadoc, Arenig) (Meana Sardo, Central Sardinia) |
1982 |
| details |
Tremadocian |
|
Europe |
Yankauskas,T.V. On the micropalaeontological characteristic of the Middle and Upper Cambrian in the Northwest of the East-European Platform. |
1980 |
| 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 |
Tremadocian |
|
Wales |
Holland,C.H. et al. Evolving life of the developing Caledonides. (In: The Caledonides of the British Isles - Review. A.L.Harris, C.H.Holland and B.E.Leake, editors) |
1979 |
| details |
Tremadocian |
|
USSR(Latvian SSR) |
Fridriksone,A.I. et al. Finds of Upper Cambrian acritarchs in Latvia. |
1993 |
| details |
Tremadocian |
|
Algeria |
Combaz,A. On a microbiota of Tremadocian age at Hassi-Messaoud. |
1967 |
| details |
Tremadocian |
|
Algeria |
Deunff,J. Systematics of fossil microplankton, acritarchs; revision of two genera from the Lower Ordovician |
1964 |
| original |
Tremadocian |
|
Algeria |
Deunff,J. A microplankton of hystrichospheres in the Tremadocian of the Sahara. |
1961 |
| details |
Tremadocian |
|
France(Aveyron) |
Fournier-Vinas,C. et al. Lower Ordovician and Cambrian acritarchs from the Mountains East of Laucaune, (Aveyron).Northern Slope of the Black Mountains. |
1977 |
| details |
Pleistocene |
|
Wales |
Hunt,C.O. Erratic palynomorphs from some British Tills |
1984 |
| details |
Ordovician |
Silurian |
Algeria |
de Jekhowsky,B. Organic microfossils (spores, hystrichospheres, chitinozoans, etc.), of the Saharan Pre-Quaternary |
1965 |
| details |
Ordovician |
|
Romania |
Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. |
1971 |
| details |
Ordovician |
|
Nd |
Servais,T. An annotated bibliographical review of Ordovician acritarchs |
1997 |
| details |
Ordovician |
|
Nd |
Servais,T. Some considerations on acritarch classification |
1996 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |