original |
Early Devonian |
|
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
original |
Erian |
|
Canada(Ontario) |
Legault,J.A. Chitinozoa and acritarcha of the Hamilton Group (Middle Devonian) of Southern Ontario |
1971 |
original |
Ordovician |
|
Canada(Manitoba) |
McGregor,D.C. et al. Fossils of the Ordovician Red River Formation (Cat Head Member)0 1. palynomorphs of the Ordo Vician Cat Head Member, Lae Winnipeg, Manitoba |
1971 |
original |
Early Triassic |
Middle Triassic |
USSR(Urals) |
Tuzhikova,V.I. Triassic acritarchs of the Urals |
1971 |
original |
Late Tatarian |
|
Australia(NSW) |
Anderson,H.M. et al. A preliminary review of the biostratigraphy of the uppermost Permian, Triassic and lowermost Jurassic of Gondwanaland. |
1970 |
original |
Middle Wenlockian |
Early Ludlovian |
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
original |
Early Devonian |
|
Romania |
Beju,D. Some spores, acritarchs and chitinozoans of Lower Devonian age of the Moesian Platform (Rumania) |
1967 |
original |
Llandoverian |
|
Belgium |
Martin,F. Acritarchs from the drilling at the Lust Brewery near Kortrijk (Courtrai) (Belgian Silurian). |
1966 |
original |
Famennian |
|
France(Ardennes) |
Bain,A. et al. Study of a microplankton, (Acritarches), of the Upper Devonian of the Ardennes. |
1965 |
original |
Middle Siegenian |
|
France(Manche) |
Rauscher,R. et al. Spores and acritarchs of the Lower Devonian (Siegenian), of Cotentin. |
1965 |
original |
Devonian |
|
Oklahoma |
Urban,J.B. Microfossils of the Woodford Shale (Devonian) of Oklahoma. |
1960 |