| details |
Middle Ludlovian |
|
Spain |
Lobato,L. et al. Description of the Carazo Formation in Palencia Province, Spain. Palynological age of the Lower Member-Middle or Upper Ludlovian. |
1977 |
| details |
Late Wenlockian |
Early Ludlovian |
Romania |
Givulescu,R. Fossil flora of Romania. (3rd Supplement) |
1978 |
| details |
Late Wenlockian |
Early Ludlovian |
Romania |
Givulescu,R. Fossil flora of Romania. (3rd Supplement) |
1978 |
| details |
Pridolian |
|
Libya |
Jaglin,J.-C. Chitinozoan new species from the Pridoli of Libya. |
1986 |
| details |
Late Llandoverian |
|
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Pridolian |
|
Worldwide |
Paris,F. Chitinozoans. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Pridolian |
|
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Middle Pridolian |
|
Libya |
Jaglin,J.-C. et al. Biostratigraphy, biodiversity and palaeogeography of late Silurian chitinozoans from A1-61 borehole (north-western Libya) |
2002 |
| details |
Early Lochkovian |
|
Brazil(Amazonas) |
Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. |
2005 |