| details |
Llanvirnian |
Caradocian |
France(Aquitaine) |
Paris,F. The Paleozoic Aquitaine Basin-Biostratigraphy by chitinozoans, ostracods and tentaculites. |
1984 |
| details |
Llanvirnian |
Early Llandeilian |
Morocco |
Rahmani,K. Palynological study of the Paleozoic in the Region of Rabat, dating the Ordovician. |
1979 |
| details |
Llanvirnian |
|
Morocco |
Deunff,J. Acritarch microplankton found in the Llanvirnian shales of the Anti-Atlas Mountains (Zagora-Morocco). |
1977 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Late Tremadocian |
Middle Llandoverian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Late Ordovician |
|
India |
Prasad,K.N. Review of Precambrian microfossils from Peninsular India. (In: Stromatolites, Characteristics and Utility) |
1980 |
| details |
Late Llandoverian |
Late Wenlockian |
S.Ireland(Galway) |
Emo,G.T. et al. Palynological evidence for the age of the Lower Palaeozoic rocks of Slieve Aughty, Counties Clare and Galway. |
1978 |
| details |
Late Llandoverian |
Late Wenlockian |
S.Ireland(Clare) |
Emo,G.T. et al. Palynological evidence for the age of the Lower Palaeozoic rocks of Slieve Aughty, Counties Clare and Galway. |
1978 |
| details |
Late Devonian |
|
Brazil(Goias) |
Sommer,F.W. Devonian microfossils from Aragarcas, Goias. |
1963 |
| details |
Late Devonian |
|
Algeria |
de Jekhowsky,B. Organic microfossils (spores, hystrichospheres, chitinozoans, etc.), of the Saharan Pre-Quaternary |
1965 |
| details |
Late Arenigian |
|
Bulgaria |
Kalvacheva,R.K. Palynology and stratigraphy of the Diavase-Phyllitoid complex in the West Balkan Mountains. |
1982 |
| details |
Gothlandian |
|
Libya |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
| details |
Gothlandian |
|
Africa(Sahara) |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
| details |
Early Tremadocian |
|
USSR(Siberia) |
Obut,A.M. et al. Siberian Graptolite and chitinozoa assemblages at the Cambrian-Ordovician boundary |
1984 |
| details |
Early Tremadocian |
|
Spain |
Fombella Blanco,M.A. Diachronism and palynology of the Cambrian-Ordovician transition of the Province of Leon, northern Spain |
1986 |
| details |
Early Ordovician |
|
Spain |
KonzalovЎ,M. et al. New micropalaeontological data on the Lower Palaeozoic of the Catalan Pyrenees Axial Zone. |
1982 |
| details |
Early Ordovician |
|
France(Mayenne) |
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 |