| details |
Nd |
|
Nd |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Whitlandian |
Middle Fennian |
Nd |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Middle Ordovician |
|
Australia(W.Australia) |
Winchester-Seeto,T. et al. The environmental response of Middle Ordovician large organic walled microfossils from the Goldwyer and Nita Formations, Canning Basin, Western Australia. |
2000 |
| details |
Middle Ordovician |
|
Australia(W.Australia) |
Winchester-Seeto,T. et al. Chitinozoans from the Middle Ordovician (Darriwilian) Goldwyer and Nita Formations, Canning Basin (Western Australia). |
2000 |
| details |
Middle Ordovician |
|
Canada(Newfoundland) |
Albani,R. et al. Integrated chitinozoan, conodont, and graptolitebiostratigraphy from the upper part of the Cape Cormorant Formation (Middle Ordovician), western Newfoundland. |
2001 |
| details |
Arenigian |
|
China(Hopei) |
Wang,X et al. The Huanghuachang section, near Yichang, China, proposed as global stratotype for the base of the Middle Ordovician Series. |
2002 |
| details |
Ashgillian |
|
Canada(Quebec) |
Achab,A. et al. The Laurentian Ordovician chitinozoan zonation: some modifications and some remaining problems. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Ashgillian |
|
Canada(Arctic) |
Achab,A. et al. The Laurentian Ordovician chitinozoan zonation: some modifications and some remaining problems. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Ashgillian |
|
Canada(Newfoundland) |
Achab,A. et al. The Laurentian Ordovician chitinozoan zonation: some modifications and some remaining problems. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Middle Ordovician |
|
China(Hopei) |
Wang,X. et al. The Huanghuachang Section, potential as Global Stratotype for the base of the Middle Ordovician Series. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Llanvirnian |
|
Canada(New Brunswick) |
Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. |
2004 |
| details |
Llanvirnian |
|
Canada(Quebec) |
Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. |
2004 |