| details |
Ashgillian |
|
Canada(Anticosti Island) |
Achab,A. Palynology. (In. Stratigraphy, source rock potential mineral and source diagenesis of the new associate associated colsolidated paper. (N.A.C.P.) Anticosti No.1 Bore-Hole Anticosti Island. A.Achab, editor) |
1976 |
| original |
Late Caradocian |
Early Ashgillian |
Canada(Anticosti Island) |
Achab,A. Chitinozoa from the Dicellograptus complanatus zone, Vaureal Formation (Upper Ordovician) Ile d'Anticosti, Quebec. |
1977 |
| details |
Ashgillian |
|
Canada(Anticosti Island) |
Achab,A. Chitinozoa from the Climacograptus prominens elongatus zone, Vaureal Formation (Upper Ordovician) Ile d'Anticosti,Quebec. |
1977 |
| details |
Late Ordovician |
|
Canada(Anticosti Island) |
Achab,A. Upper Ordovician chitinozoa: Vaureal and Ellis Bay Formations - Anticosti Island, Quebec. |
1978 |
| details |
Ashgillian |
|
Canada(Quebec) |
Achab,A. Chitinozoa from the Vaureal and Macasty Formations (Upper Ordovician), Ile d'Anticosti, Quebec, Canada. |
1978 |
| details |
Early Ashgillian |
Middle Ashgillian |
North America |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Late Ordovician |
Early Gothlandian |
Canada(Anticosti Island) |
Achab,A. Biostratigraphy of the chitinozoa of Upper Ordovician - Lower Silurian of Anticosti Island. Preliminary results. |
1981 |
| details |
Early Ashgillian |
|
Canada(Anticosti Island) |
Petryk,A. Lithostratigraphic, paleogeographic and hydrocarbon potential of Anticosti Island. |
1981 |
| details |
Early Ashgillian |
Middle Ashgillian |
Canada(Anticosti Island) |
Petryk,A. Lithostratigraphic, paleogeographic and hydrocarbon potential of Anticosti Island. |
1981 |
| details |
Late Ashgillian |
|
Morocco |
Elaouad-Debbaj,Z. Ashgillian chitinozoa of the Anti-Atlas, (Morocco). |
1984 |
| details |
Ashgillian |
|
Canada(Quebec) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Ashgillian |
|
Canada(Newfoundland) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Pushgillian |
|
Gondwanaland |
Paris,F. The Ordovician chitinozoan biozones of the northern Gondwana Domain |
1990 |
| details |
Late Cautleyan |
Early Rawtheyan |
England |
Paris,F. Application of chitinozoans in long-distance Ordovician correlations. (In: Global Perspectives on Ordovician Geology. B.D. Webby and J.R. Laurie, editors) |
1992 |
| details |
Late Cautleyan |
Early Rawtheyan |
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Pragian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |
| details |
Richmondian |
|
Canada(New Brunswick) |
Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. |
2004 |