details |
Early Ordovician |
|
France(Ille-et-Vilaine) |
Deunff,J. et al. A microplankton of chitinozoans and acritarchs from some shale layers of the Lower Ordovician sandstone of Brittany (Mayene and South of Rennes). |
1970 |
details |
Early Llandoverian |
Frasnian |
Brazil(Amazonas) |
Lange,F.W. Biostratigraphic subdivisions and revision of the Silurian-Devonian column of the Lower Amazon Basin. |
1967 |
details |
Early Gothlandian |
|
Saudi Arabia |
Hemer,D.O. Application of palynology in Saudia Arabia. |
1965 |
details |
Early Devonian |
|
Canada(Ontario) |
Deunff,J. On a microplankton from the Devonian of Canada containing some new types of Hystrichosphaerids. |
1954 |
details |
Early Devonian |
Middle Devonian |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
details |
Early Caradocian |
|
France(Finistere) |
Henry,J.L. Micro-organisms incertae sedis (acritarchs and chitinozoans) of the Ordovician of the Crozon Peninsula (Finistere). Beds of Mort-Anglaise and Kerglintin. |
1969 |
details |
Early Arenigian |
Late Givetian |
Nd |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
details |
Devonian |
|
Libya |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
details |
Devonian |
|
Africa(Sahara) |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
details |
Chesterian |
|
Oklahoma |
Sanders,R.B. Palynological investigation of Desmoinesian and Missourian strata, Elk City area, Oklahoma. |
1967 |
details |
Caradocian |
|
Sweden |
Jenkins,W.A.M. Chitinozoa |
1970 |
details |
Caradocian |
|
United Kingdom |
Jenkins,W.A.M. Chitinozoa |
1970 |
details |
Caradocian |
|
USA |
Jenkins,W.A.M. Chitinozoa |
1970 |
details |
Arenigian |
Middle Llandoverian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1966 |
details |
Arenigian |
Llandoverian |
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |