| details |
Middle Ordovician |
Silurian |
S.Ireland(Waterford) |
Penney,S.R. The stratigraphy, sedimentology and structure of the Lower Paleozoic rocks of North County Waterford. |
1980 |
| details |
Ordovician |
Silurian |
Romania |
Stanoiu,I. et al. Metamorphosed Paleozoic and Mesozoic Formations of the Mehedinti-Retezat Unit |
1983 |
| details |
Ordovician |
Silurian |
USSR(Buryat ASSR) |
Butov,Y.P. Certain problems of Pre-Mesozoic stratigraphy of the Sayan-Baikal Mountain Area. 1: Crysis of traditional stratigraphy. |
1985 |
| details |
Ordovician |
Silurian |
China(Tibet) |
Xing,Y. A discovery of micropalaeophyta, chitinozoa and scolecodonts from Ordovician and Silurian in Keping, Xinjiang. |
1986 |
| details |
Ordovician |
Silurian |
Nd |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Arenigian |
Middle Llandoverian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1966 |
| details |
Late Tremadocian |
Middle Llandoverian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Early Devonian |
Middle Devonian |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Tremadocian |
Middle Caradocian |
USSR(Estonian SSR) |
Grahn,Y. Ordovician chitinozoa from Tallinn, Northern Estonia. |
1984 |
| details |
Arenigian |
Llandoverian |
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |
| 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 |
Early Arenigian |
Late Givetian |
Nd |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Sheinwoodian |
Homerian |
Czechoslovakia(Bohemia) |
Dufka,P. Chitinozoans from the Sheinwoodian / Homerian boundary Beds (Wenlock) in the Prague Basin (Barrandian, Bohemia). |
1995 |
| details |
Ordovician |
Gothlandian |
Nd |
Matthes,H.W. Introduction to micropaleontology |
1956 |
| 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 |
Siegenian |
Emsian |
W.Germany(Rhineland) |
Eschghi,I. et al. Chitinozoans from the Lower Devonian of the Western Rheinisches Schiefergebirge, (Germany). |
1984 |