| original |
Siegenian |
Emsian |
Spain |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| 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 |
Nd |
|
Nd |
Jardin©,S. et al. Acritarchs of Late Silurian-Devonian of Algerian Sahara. |
1972 |
| details |
Nd |
|
Nd |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Wenlockian |
Givetian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Gothlandian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Gedinnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Wenlockian |
Givetian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Ottone,E.G. Devonian palynomorphs from the Los Monos Formation, Tarija Basin, Argentina |
1996 |
| details |
Couvinian |
|
Libya |
Grignani,D. et al. Palaeozoic and Mesozoic subsurface palynostratigraphy in the Al Kufrah Basin, Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Frasnian |
|
Ghana |
Bar,P. et al. Microflora from the Paleozoic series of Ghana (West Africa), and their paleofloristic relations. |
1974 |
| details |
Emsian |
Frasnian |
Ghana |
Anan-Yorke,R. Devonian chitinozoa and acritarcha from exploratory oil wells on the shelf and coastal region of Ghana, West Africa. |
1974 |
| details |
Ludlovian |
|
France(Manche) |
Deunff,J. et al. The Ludlovian microplankton from the submerged formations of Les Minquiers (Manche), and its place in the distribution of the Silurian paleoplankton. |
1971 |
| details |
Gedinnian |
Siegenian |
France(Ille-et-Vilaine) |
Deunff,J. The acritarchs in the Early Devonian shales and limestones of Saint-Cenere. (In: Massif Armoricain, France. H.Lardeux, editor) |
1976 |
| original |
Ludlovian |
Givetian |
France |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| original |
Ludlovian |
Givetian |
Europe |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Ludlovian |
|
England(Shropshire) |
Lister,T.R. The acritarchs and chitinozoa from the Wenlockian and Ludlowvian series of the Ludlovian and Millichope areas, Shrophire. |
1970 |