| original |
Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| original |
Late Ludlovian |
Early Gedinnian |
Africa(Sahara) |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Ludlovian |
|
France(Manche) |
Poncet,J. et al. New stratigraphic data on the Comprehensive Series (D1-S4), of Cotentin. |
1971 |
| details |
Late Gedinnian |
|
Oklahoma |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Late Gothlandian |
|
Libya |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Nd |
|
Nd |
Loeblich,A.R.,Jr. et al. Organic-walled microplankton from the Lower Devonian, Late Gedinnian Haragan and Bois d'Arc Formations of Oklahoma, USA. Part 1. |
1976 |
| details |
Gedinnian |
|
Oklahoma |
Wicander,R. Lower Devonian, (Gedinnian) acritarchs from the Haragan Formation, Oklahoma, USA. |
1986 |
| details |
Late Ludlovian |
Early Gedinnian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Ludlovian |
Early Gedinnian |
Libya |
Le H©riss©,A. Paleoecology, biostratigraphy and biogeography of late Silurian to early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa |
2002 |
| details |
Late Ludlovian |
Early Gedinnian |
Africa(Sahara) |
Le H©riss©,A. Paleoecology, biostratigraphy and biogeography of late Silurian to early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa |
2002 |