| details |
Middle Precambrian |
Cambrian |
Africa |
Locquin,M.V. Nature and systematics of the chitinozoans or Chitinomycetes. |
1980 |
| details |
Middle Arenigian |
Early Ashgillian |
France |
Paris,F. Chitinozoan Biostratigrphy in the Ordovican of South-West Europe |
1980 |
| details |
Late Tournaisian |
Visean |
Brazil(Paraiba) |
Sundaram,D. et al. Lower Carboniferous palynomorphs from Poti Formation, Parnaiba Basin, Brazil. |
1981 |
| details |
Late Ashgillian |
Early Llandoverian |
South Africa |
Gray,J. et al. Age of the Cedarberg Formation, South Africa and early land plant evolution. |
1986 |
| details |
Desmoinesian |
|
Oklahoma |
Wilson,L.R. et al. Paleobotanical evidence for an age assignment of the Bostwick Member (Pennsylvanian) |
1982 |
| details |
Late Cambrian |
|
Spain |
Fombella Blanco,M.A. Resemblances and differences between the palynological associations of Upper Cambrian age in the northwest of Spain, (Vozmediano), and North of Africa. |
1987 |
| details |
Devonian |
|
Brazil(Pernambuco) |
Brito,I.M. Short note on the Devonian microfossils of Pernambuco |
1965 |
| details |
Arenigian |
Llanvirnian |
Brazil(Amazonas) |
de Quadros,L.P. Occurence of Ordovician microfossils (Acritarchae) in the Alto Amazon Sub Basin, Brazil. |
1986 |
| details |
Late Ludlovian |
Early Siegenian |
Spain |
Rodriguez,R.M. New miospores of the San Pedro Formation of Geras de Gordon, Cantabrica Cordillera (Leon Province, northeast Spain). |
1978 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Stockmans,F. et al. Acritarchs of the "Tranchee de Senzeille" (Upper Frasnian and Lower Famennian). |
1974 |
| details |
Caradocian |
Ashgillian |
Morocco |
Elaouad-Debbaj,Z. Acritarchs from the Upper Ordovician (Caradoc-Ashgill) of the Anti-Atlas, Morocco. |
1988 |
| details |
Late Emsian |
Eifelian |
USSR(Latvian SSR) |
Nenasteva,V.E. Spores. Lower and Middle Devonian of Latvia. (In: Devon i Karbon Pribaltiki. V.S.Sorokin et al, editors) |
1981 |
| details |
Arenigian |
Ashgillian |
USA(Western) |
Hutter,T.J. Ordovician chitinozoan zones from the Western United States |
1986 |
| details |
Late Gothlandian |
|
Libya |
Buret,M.B. et al. New information given by palynoplanctological study of the Sandy/Shaly Formation (Upper Silurian of Libya, Rhadames Basin). |
1986 |
| details |
Middle Arenigian |
Early Ashgillian |
Spain |
Paris,F. Chitinozoan Biostratigrphy in the Ordovican of South-West Europe |
1980 |
| details |
Middle Arenigian |
Early Ashgillian |
Portugal |
Paris,F. Chitinozoan Biostratigrphy in the Ordovican of South-West Europe |
1980 |
| details |
Late Caradocian |
Early Ashgillian |
Saudi Arabia |
Caputo,M.V. et al. Migration of glacial centers across Gondwana during Paleozoic Era |
1985 |