| details |
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 |
| details |
Telychian |
|
Wales(Powys) |
Mullins,G.L. et al. Integrated lower Silurian chitinozoan and graptolite biostratigraphy of Buttington Brick Pit, Wales. |
2002 |
| details |
Early Llanvirnian |
|
Wales(Anglesey) |
Fenton,J.P.G. Palynological evidence for the age of the Dulas Formation (Ordovician) in Anglesey (North Wales). |
1976 |
| original |
Homerian |
|
Wales |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |
| details |
Ordovician |
|
W.Germany(Rhineland) |
Eisenack,A. Chitinozoans and Hystrichospheres in the Ordovician of the Rhine Schiefergebirge. |
1939 |
| 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 |
Arenigian |
Ludlovian |
W.Germany(Bavaria) |
Sawatzki,G. et al. Lower Paleozoic chitinozoans and acritarchs from gneisses of the Southern Black Forest, southwest Germany. |
1997 |
| details |
Ordovician |
|
W.Germany(Baden) |
Hann,H.P. et al. Ordovician chitinozoans and acritarchs form metamorphic greywackes of the zone of Badenwiler-Lenzkirch, Black Forest, Southwest Germany |
1995 |
| details |
Middle Ordovician |
|
USSR(Vologda) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |
| details |
Ordovician |
|
USSR(Uzbek SSR) |
Khan,R.S. et al. Stratigraphy of Ordovician deposits of Mountain Yuzhii Nuratai |
1986 |
| details |
Caradocian |
|
USSR(Ukrainian SSR) |
Zaslavskaya,N.M. et al. Chitinozoans in Ordovician and Silurian deposits of the Altai Mountains. (In: The Fauna and Biostratigraphy of Upper Ordovician and Silurian of the Altai-Sajan Region) |
1978 |
| details |
Early Devonian |
|
USSR(Tomskaya Oblast) |
Bogush,O.I. et al. On the composition and age of deposits revealed by Tambaevsk Drill. 3. (Tomsk Oblast). (In: Devon i Karbon Aziatskoi Chasti SSSR. V.I.Dubatova and O.V.Yuferev, editors) |
1980 |
| details |
Arenigian |
Llanvirnian |
USSR(Taldy-Kurganskaya) |
Zaslavskaya,N.M. et al. Ordovician chitinozoa of South Djungaria. (In: Problematic Fossils of the USSR. B.S.Sokolov, editors) |
1990 |
| details |
Silurian |
Frasnian |
USSR(Siberia) |
Dubatolov,V.N. et al. Biostratigraphy-Paleozoic of the southeast region of the West Siberian Platform. |
1984 |
| details |
Early Devonian |
|
USSR(Siberia) |
Dubatolov,V.N. et al. Paleozoic stratigraphy of the southeastern part of the West Siberian Plate. (In: Paleozoic biostratigraphy of Western Siberia. V.N.Dubatolov and A.V.Kanygni, editors) |
1985 |
| details |
Late Llandoverian |
Early Wenlockian |
USSR(Siberia) |
Obut,A.M. et al. Complexes of Silurian Chitinozoa and Graptolite Zones of the Siberia and Russian Platforms, (Upper Llandoverian - Lower Wenlockian). (In: Paleontology and Detailed Stratigraphic Correlation) |
1982 |