| details |
Nd |
|
Nd |
Schweineberg,J. Silurian chitinozoa from the Palencia Province (Cantabrian Mountains, North Spain). |
1987 |
| original |
Nd |
|
Nd |
Schweineberg,J. Silurian chitinozoa from the Palencia Province (Cantabrian Mountains, North Spain). |
1987 |
| details |
Ashgillian |
Silurian |
Scotland |
Whelan,G.M. et al. Acritarchs and chitinozoans from the Ordovician-Silurian boundary stratotype sediments |
1988 |
| details |
Llandoverian |
|
USSR(Siberia) |
Zaslavskaya,N.M. et al. Correlation significance of palynomorphs from the Lower Silurian of the Siberian Platform. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Emsian |
Givetian |
Brazil(Amazonas) |
de Quadros,L.P. Lower and Middle Palaeozoic biostratigraphy, (Marine Section) of the Solimoes Basin. |
1988 |
| 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 |
Late Ludlovian |
Emsian |
Algeria |
Boumendjel,K. et al. Biostratigraphy of the miospores and chitinozoas of the Late Silurian and Devonian of the Illizi Basin, (southeast Algerian Sahara). |
1988 |
| details |
Late Ashgillian |
Early Llandoverian |
Worldwide |
Grahn,Y. Chitinozoan stratigraphy in the Ashgil and Llandovery. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Early Llandoverian |
Middle Llandoverian |
Argentina(San Juan) |
Baldis,B. et al. The Ordovician-Silurian boundary in the Sierra de Villicum, Argentine Precordillera. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Llandoverian |
|
Argentina(San Juan) |
Cuerda,A. et al. The Ordovician-Silurian boundary in Bolivia and Argentina. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Late Rhuddanian |
Aeronian |
Ohio |
BergstrŠ¶m,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 |
Early Gothlandian |
|
Scotland(Ayr) |
Whelan,G.M. Preliminary acritarch and chitinozoan distributions across Ordovician-Silurian boundary stratotype at Dob's Linn, Scotland. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Llandoverian |
|
China(Szechwan) |
Fang,X. et al. Silurian microflora and chitinozoa in Guanyinqiao Qijiang County Sichuan Province and their stratigraphic significance |
1988 |
| details |
Early Rhuddanian |
|
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 |
Early Rhuddanian |
|
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 |
Late Aeronian |
Pridolian |
Guinea |
Villeneuve,M. et al. New palaeontological data from the Palaeozoic series of the Bove Basin, (Guinea, West Africa); Stratigraphical consequences. |
1989 |
| details |
Early Gamachian |
Late Llandoverian |
Greenland |
Grahn,Y. et al. Chitinozoans from Ordovician and Silurian Shelf and Slope sequences in North Greenland. (In: Palaeozoic fossils and stratigraphy from North Greenland) |
1989 |