original |
Caradocian |
|
Canada(Newfoundland) |
Neville,R.S.W. Ordovician chitinozoa from Western Newfoundland. |
1974 |
original |
Early Paleozoic |
|
Poland |
Wrona,R.M. Microarchitecture of the chitinozoan vesicles and its paleobiological significance. |
1980 |
original |
Caradocian |
|
Canada(Anticosti Island) |
Achab,A. Chitinozoans from the Middle Ordovician of subsurface Anticosti Island. |
1984 |
original |
Llandeilian |
Caradocian |
Canada(Quebec) |
Achab,A. Succession of chitinozoan assemblage from the Middle Ordovician of Quebec and eastern Canada |
1986 |
original |
Late Arenigian |
|
Wales |
Molyneux,S.G. Appendix: Acritarchs and chitinozoa from the Arenig series of southwest Wales. (In: The Arenig Series in South Wales: Stratigraphy and palaeontology.) |
1987 |
original |
Arenigian |
|
Australia(Queensland) |
Playford,G. et al. Chitinozoa from Lower Ordovician strata of the Georgina Basin, Queensland, (Australia). |
1988 |
original |
Late Llanvirnian |
Early Caradocian |
Canada(Quebec) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
original |
Late Llanvirnian |
Early Caradocian |
Canada(Newfoundland) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
original |
Late Ordovician |
|
China(Sinkiang Uighur) |
Geng,L.-Y. et al. Chitinozoan biostratigraphy in China. |
2000 |
original |
Late Frasnian |
|
|
Grahn,Y. et al. Middle and Upper Devonian Chitinozoan biostratigraphy of the Parana Basin in Brazil and Paraguay. |
2002 |
original |
Late Frasnian |
|
Paraguay |
Grahn,Y. et al. Middle and Upper Devonian Chitinozoan biostratigraphy of the Parana Basin in Brazil and Paraguay. |
2002 |
original |
Early Arenigian |
|
Argentina(Salta) |
Vergel,M.D.M. et al. Ordovician palynomorphs of Argentina: An integrated approach. (Aspects of the Ordovician System in Argentina.) |
2002 |
original |
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 |
original |
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 |
original |
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 |