| details |
Late Caradocian |
Ashgillian |
Libya |
Molyneux,S.G. et al. Late Ordovician palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Late Caradocian |
Early Ashgillian |
Morocco |
Elaouad-Debbaj,Z. Chitinozoa from the Lower Ktaoua Formation, Upper Ordovician of the Anti-Atlas, (Morocco). |
1986 |
| details |
Ashgillian |
|
France(Lot-et-Garonne) |
Paris,F. Paleozoic lithostratigraphic succession from northern Aquitaine. (In: Section 7. Paleozoic Basin Reserves Under Aquitaine) |
1987 |
| details |
Late Ordovician |
|
Nd |
Achab,A. Provincialism of Ordovician chitinozoans. |
1988 |
| details |
Late Caradocian |
Hirnantian |
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 |
Late Ashgillian |
|
Libya |
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 |
Middle Caradocian |
|
Europe |
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 |
Late Caradocian |
Ashgillian |
Libya |
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 |
Onnian |
Hirnantian |
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 |
Ashgillian |
|
Jordan |
Keegan,J.B. et al. Palynostratigraphy of the Lower Palaeozoic, Cambrian to Silurian, sediments of the Hashemite Kingdom of Jordan. (In: Special Issue: Circum-Mediterranean Palynology. B.Owens and H.Visscher, editors) |
1990 |
| details |
Pushgillian |
Hirnantian |
Gondwanaland |
Paris,F. The Ordovician chitinozoan biozones of the northern Gondwana Domain |
1990 |
| details |
Ordovician |
|
Morocco |
Rahmani-Antari,K. Palynological study and evaluation of the Thermal Alteration Index, (TAI), of the Paleozoic Section of Well Dot 1 (Doukkala Basin, Central-West Morocco). |
1990 |
| details |
Late Ordovician |
|
Worldwide |
Achab,A. Biogeography of Ordovician chitinozoa. (In: Advances in Ordovician Geology. C.R.Barnes and S.H.Williams, editors) |
1991 |
| details |
Late Ordovician |
|
Libya |
Grignani,D. et al. Palaeozoic and Mesozoic subsurface palynostratigraphy in the Al Kufrah Basin, Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Late Ordovician |
|
Libya |
Grignani,D. et al. Palaeozoic and Mesozoic subsurface palynostratigraphy in the Al Kufrah Basin, Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Late Ordovician |
|
Gondwanaland |
Achab,A. et al. Chitinozoan contribution to the Ordovician and Lower Silurian paleobiogeography. |
1992 |
| details |
Late Caradocian |
Ashgillian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |