| 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 |
Middle Wenlockian |
Late Wenlockian |
England(Shropshire) |
Bassett,M.G. The Wenlock Series in the Wenlock area. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Llandoverian |
Wenlockian |
USSR(Estonian SSR) |
Bassett,M.G. et al. The Baltic Region. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Wenlockian |
|
USSR(Estonian SSR) |
Nestor,V. On the distribution of Aberrant forms of chitinozoans in the Silurian of Estonia and West Latvia |
1990 |
| details |
Wenlockian |
Ludlovian |
USSR(Estonian SSR) |
Nestor,V. et al. Dating of the Wenlock Carbonate sequences in Estonian and stratigraphicheskie Pereryvy |
1990 |
| details |
Early Wenlockian |
|
Estonia |
Nestor,V. Biostratigraphy: Silurian chitinozoans |
1990 |
| details |
Early Visean |
|
USSR(Ukrainian SSR) |
Mikhnitskaya,T.P. Metasedimentary series of the platform developmental stage of the Ukrainian Shield and their age by paleophytological data. |
1991 |
| details |
Pridolian |
Gedinnian |
Libya |
Tekbali,A.O. et al. Silurian spores, acritarchs and chitinozoans from the Bani Walid Borehole of the Ghadamis Basin, Northwest Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Llandoverian |
|
Argentina(Mendoza) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Late Ordovician |
Early Silurian |
Argentina(Mendoza) |
Rubinstein,C.V. Palynology of the Early Paleozoic. (In: Geologia Y Recursos Natura de Mendoza. V.A.Ramos, editor) |
1993 |