details |
Middle Wenlockian |
Late Wenlockian |
Wales(Powys) |
Verniers,J. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. |
1999 |
original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
details |
Scythian |
|
USSR(Moldavian SSR) |
Vaida,M. et al. Palynological study of cores from the borehole 1 Liman (Scythia Platform, Moldavia) |
1997 |
details |
Early Wenlockian |
|
USSR(Estonian SSR) |
Nestor,V. Chitinozoan Zonal Assemblages, (Wenlock, Estonia). |
1982 |
details |
Caradocian |
Pridolian |
USSR(Buryat ASSR) |
Katyukha,Y.P. et al. On the age of the Mangatol and Dabanzhalga Suites and the Oka series in the eastern Saxan Region |
1983 |
details |
Early Devonian |
|
USSR(Buryat ASSR) |
Katyukha,Y.P. et al. On the age of the Mangatol and Dabanzhalga Suites and the Oka series in the eastern Saxan Region |
1983 |
details |
Middle Llandoverian |
|
USSR(Baltic) |
Nestor,V. Chitinozoan diversity dynamics in the East Baltic Silurian. |
1992 |
details |
Late Llandoverian |
|
Scotland(Dumfries) |
White,D.E. et al. Biostratigraphy of Late Llandovery (Telychian) and Wenlock Turbiditic sequences in the southwest Southern Uplands, Scotland. |
1992 |
details |
Caradocian |
Ashgillian |
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
details |
Late Caradocian |
Early Ashgillian |
Saudi Arabia |
Paris,F. et al. Ordovician chitinozoans from central Saudi Arabia. |
2000 |
details |
Early Paleozoic |
|
Poland |
Wrona,R.M. Microarchitecture of the chitinozoan vesicles and its paleobiological significance. |
1980 |
details |
Early Paleozoic |
|
Poland |
Wrona,R.M. Microarchitecture of the chitinozoan vesicles and its paleobiological significance. |
1980 |
details |
Ordovician |
Devonian |
Poland |
Wrona,R.M. Fossil Phenomenon--Chitinozoa. |
1978 |
details |
Middle Devonian |
|
Ohio |
Wood,G.D. Chitinozoa of the Silica Formation, (Middle Devonian, Ohio), vesicle ornamentation and paleoecology. |
1974 |
details |
Late Ordovician |
|
Nevada |
Finney,S.C. et al. Late Ordovician mass extinction: A new perspective from stratigraphic sections in Central Nevada. |
1999 |
details |
Late Ordovician |
|
Nevada |
Soufiane,A. et al. Upper Ordovician and Lower Silurian chitinozoans from central Nevada and Arctic Canada. |
2000 |