| details |
Permian |
|
USSR(Tatar ASSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Middle Givetian |
Middle Frasnian |
Argentina(Salta) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Middle Devonian |
|
Africa |
Jardin©,S. et al. Fossil organic microplankton |
1972 |
| details |
Late Givetian |
Early Frasnian |
France(Boulonnais) |
Le H©riss©,A. et al. Acritarches and Prasinophyte (Late Givetian-Middle Frasnian) of Ferques (Boulonnais, France). (In: The Devonian of Ferques Lower Boulonnais, (Northern France). D.Brice, editor) |
1988 |
| details |
Late Famennian |
|
Brazil(Amazonas) |
Loboziak,S. et al. Palynological evaluation of the Famennian Protosalvinia (Foerst zone in the Amazon Basin, northern Brazil: A preliminary study |
1997 |
| details |
Late Devonian |
|
Ohio |
Eames,L.E. Palynology of the Berea Sandstone and Cuyahoga Group of northeastern Ohio. |
1974 |
| details |
Givetian |
|
Ohio |
Wicander,R. et al. Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA. |
1981 |
| details |
Givetian |
Frasnian |
Argentina(Salta) |
Barreda,V.D. Givetian - Frasnian acritarchs of the Noroeste Basin, Salta Province, Argentina. |
1986 |
| details |
Givetian |
Late Devonian |
Algeria |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Givetian |
Late Devonian |
France |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Givetian |
Late Devonian |
Brazil |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Gedinnian |
|
Tunisia |
Deunff,J. et al. Tunisphaeridium, a new acritarch genus from the Silurian and Devonian. |
1968 |
| details |
Frasnian |
|
Australia(W.Australia) |
Playford,G. et al. Late Devonian acritarchs from the Carnarvon Basin, Western Australia. |
1981 |
| details |
Eifelian |
Famennian |
Algeria |
Downie,C. Devonian acritarchs. (In: The Devonian System. M.R. House et al, editors) |
1979 |
| details |
Early Frasnian |
|
France(Pas-de-Calais) |
Deunff,J. Preliminary observations on the paleophytoplankton of a cutting from Caffiers, (Givetien - Frasnien du Boulnnais, France). |
1981 |
| details |
Devonian |
|
Tunisia |
Deunff,J. Research on the Devonian microplankton (Acritarchs and Dinophyceae). |
1965 |
| details |
Devonian |
|
Canada |
Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). |
1967 |