| details |
Middle Ordovician |
Late Ordovician |
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Caradocian |
Late Ashgillian |
Canada(Eastern Offshore) |
Jenkins,W.A.M. Ordovician rocks in the Eastcan et al. Freydis B-87 and other wells in offshore Atlantic Canada. |
1984 |
| details |
Llanvirnian |
|
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Maysvillian |
Early Gamachian |
Greenland |
Grahn,Y. et al. Chitinozoans from Ordovician and Silurian Shelf and Slope sequences in North Greenland. (In: Palaeozoic fossils and stratigraphy from North Greenland) |
1989 |
| details |
Late Llanvirnian |
Early Ashgillian |
Finland |
Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. |
1989 |
| details |
Late Llanvirnian |
Early Ashgillian |
USSR(Estonian SSR) |
Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. |
1989 |
| details |
Late Ordovician |
|
Baltic |
Nolvak,J. Results of quantitative stratigraphic correlation of the Upper Ordovician in the Baltic;Chitinozoans. (In: Quantitative Stratigraphy: Retrospective Evaluation and Future Development. A. Oleynikov and M. Rubel editors) |
1989 |
| details |
Late Ordovician |
|
Oklahoma |
Miller,M.A. Paniculaferum missouriensis, gen.et sp.nov., a new Upper Ordovician acritarch from Missouri, USA. |
1991 |
| details |
Late Ordovician |
|
Missouri |
Miller,M.A. Paniculaferum missouriensis, gen.et sp.nov., a new Upper Ordovician acritarch from Missouri, USA. |
1991 |
| details |
Middle Ordovician |
|
Australia(W.Australia) |
Winchester-Seeto,T. et al. Chitinozoans from the Middle Ordovician (Darriwilian) Goldwyer and Nita Formations, Canning Basin (Western Australia). |
2000 |