| details |
Caradocian |
|
Sweden |
Laufeld,S. Caradocian chitinozoa from Dalarna, Sweden. |
1967 |
| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Late Virgulian |
|
Sweden |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Ordovician |
Devonian |
Poland |
Wrona,R.M. Fossil Phenomenon--Chitinozoa. |
1978 |
| original |
Late Ordovician |
|
Ohio |
Miller,M.A. Paleocological significance of chitinozoan recurrent species associations, (Upper Ordovician), Cincinnati Regon, USA. |
1980 |
| original |
Late Ordovician |
|
Kentucky |
Miller,M.A. Paleocological significance of chitinozoan recurrent species associations, (Upper Ordovician), Cincinnati Regon, USA. |
1980 |
| original |
Late Ordovician |
|
Indiana |
Miller,M.A. Paleocological significance of chitinozoan recurrent species associations, (Upper Ordovician), Cincinnati Regon, USA. |
1980 |
| details |
Late Llanvirnian |
Caradocian |
Sweden |
Grahn,Y. Middle Ordovician chitinozoa from Oland |
1981 |
| details |
Llandeilian |
Early Caradocian |
Sweden |
Grahn,Y. Ordovician chitinozoa from the Stora Asbotorp Boring in Vastergotland South-Central Sweden |
1981 |
| details |
Caradocian |
|
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |
| details |
Late Arenigian |
Early Llanvirnian |
Sweden |
Grahn,Y. Chitinozoophoran palaeoecology in the Ordovician of Oland |
1982 |
| details |
Late Arenigian |
Middle Caradocian |
USSR(Estonian SSR) |
Grahn,Y. Ordovician chitinozoa from Tallinn, Norther Estonia. |
1984 |
| details |
Caradocian |
Ashgillian |
Canada(Quebec) |
Miller,M.A. et al. The essential role of palynology for bedrock mapping in Hudson Strait, NWT. |
1987 |
| details |
Kukruse |
Idavere |
USSR(Estonian SSR) |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Ordovician |
|
Poland |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Llanvirnian |
|
Libya |
Abuhmida,F. et al. Palynostratigraphy and paleoenvironmental study of Middle and Upper Ordovician sequences in NW Sirt Basin, Libya. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |