| details |
Llandoverian |
|
Argentina(Mendoza) |
Pжthe de Baldis,E.D. et al. Chitozoans of Llandoverian age from the Villavicencio Group in Quebrada de Santa Clara, Mendoza, Argentina. |
1987 |
| details |
Wenlockian |
|
Spain |
Schweineberg,J. Silurian chitinozoa from the Palencia Province (Cantabrian Mountains, North Spain). |
1987 |
| original |
Pridolian |
|
Spain |
Schweineberg,J. Silurian chitinozoa from the Palencia Province (Cantabrian Mountains, North Spain). |
1987 |
| details |
Late Rhuddanian |
Aeronian |
Ohio |
Bergstrжm,S.M. et al. The Ordovician-Silurian boundary in the United States. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Late Aeronian |
Early Telychian |
Libya |
Paris,F. Late Ordovician and Early Silurian chitinozoans from Central and Southern Cyrenaica. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Llandoverian |
Wenlockian |
Guinea |
Villeneuve,M. et al. New palaeontological data from the Palaeozoic series of the Bove Basin, (Guinea, West Africa); Stratigraphical consequences. |
1989 |
| details |
Early Llandoverian |
|
Estonia |
Nestor,H. Locality 7:4 Ohesaare Cliff |
1990 |
| details |
Sheinwoodian |
|
Denmark |
Smelror,M. Palynomorphs from the Cyrtograptys centrifugus Graptolite zone (Early Wenlock, Silurian) Bornholm. |
1991 |
| details |
Late Sheinwoodian |
Early Homerian |
Czechoslovakia(Bohemia) |
Dufka,P. Lower Silurian chitinozoans of the Prague Basin (Barrandian, Czechoslovakia)-Preliminary results. |
1992 |
| details |
Middle Llandoverian |
Early Wenlockian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
| details |
Late Llandoverian |
Wenlockian |
USSR(Estonian SSR) |
Nestor,V. Chitinozoans at the Llandovery-Wenlock transition in the Jaagarahu core, Estonia. |
1993 |
| 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 |
| details |
Early Sheinwoodian |
|
Czechoslovakia(Bohemia) |
Dufka,P. Chitinozoans from the Sheinwoodian / Homerian boundary Beds (Wenlock) in the Prague Basin (Barrandian, Bohemia). |
1995 |
| details |
Early Sheinwoodian |
|
Czechoslovakia(Bohemia) |
Dufka,P. Chitinozoans from the Sheinwoodian / Homerian boundary Beds (Wenlock) in the Prague Basin (Barrandian, Bohemia). |
1995 |
| details |
Early Aeronian |
Late Telychian |
Sweden(Gotland) |
Grahn,Y. Lower Silurian chitinozoa and biostratigraphy of subsurface Gotland. |
1995 |
| details |
Early Aeronian |
Late Telychian |
Sweden(Gotland) |
Grahn,Y. Lower Silurian chitinozoa and biostratigraphy of subsurface Gotland. |
1995 |