| details |
Whitlandian |
Middle Fennian |
Nd |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Whitlandian |
Fennian |
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 |
Nd |
|
Nd |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| 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 |
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 |
|
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 |
Middle Arenigian |
|
Canada(Quebec) |
Landing,E. et al. Classification and conodont-based age of the Ordovician Trilobite Ellsaspis, (Middle Arengian, Ville Guay,Quebec). |
1984 |
| details |
Middle Arenigian |
|
Canada(Quebec) |
Achab,A. Chitinozoa assemblages of the Early Ordovician of eastern Canada. |
1986 |
| details |
Llanvirnian |
|
Canada(Newfoundland) |
Achab,A. Llanvirnian chitinozoans, (Table Head Formation) of Western Newfoundland, Canada. |
1983 |
| details |
Llanvirnian |
|
Canada(Quebec) |
Achab,A. Succession of chitinozoan assemblage from the Middle Ordovician of Quebec and eastern Canada |
1986 |
| details |
Llanvirnian |
|
Africa |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| 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 |
| details |
Late Tremadocian |
|
Morocco |
Elaouad-Debbaj,Z. Tremadoc acritarchs and chitinozoa from the Middle Anti-Atlas, (Morocco). |
1988 |
| details |
Late Tremadocian |
|
China(Hopei) |
Wang,X.-F. et al. Earliest Ordovician chitinozoans from the eastern Yangtze Gorges. |
1992 |
| details |
Late Tremadocian |
|
China(Hopei) |
Wang,X.-F. et al. Earliest Ordovician chitinozoans from the eastern Yangtze Gorges. |
1992 |