| details |
Caradocian |
Ashgillian |
Baltic |
Myannil,R.M. Distribution of selected Ordovician chitinozoa assemblages and species in northern Europa and their stratigraphic Valuaton. |
1971 |
| details |
Caradocian |
Ashgillian |
England(Shropshire) |
Myannil,R.M. Distribution of selected Ordovician chitinozoa assemblages and species in northern Europa and their stratigraphic Valuaton. |
1971 |
| original |
Early Devonian |
|
China(Szechwan) |
Xiang,L. et al. Early Devonian graptolite-bearing formation and its paleontological features at Baoxing County, Sichuan, (Szechwan). |
1975 |
| details |
Llandeilian |
|
Baltic |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Llanvirnian |
|
Syria |
Yankauskas,T.V. et al. The Paleozoic of Syria-Arabian Republic |
1978 |
| details |
Late Ordovician |
|
USSR(Orenburg) |
Ivanova,T.D. et al. To the structure of Lower Paleozoic sediments in the Orenburgskoe Priural'e. |
1979 |
| details |
Early Llanvirnian |
|
USSR(Ukrainian SSR) |
Tsegelnyuk,P.D. Ordovician stratigraphy of the Southwestern Region of the Russian Platform |
1980 |
| details |
Late Caradocian |
Ashgillian |
Baltic |
Nolvak,J. Chitinozoans in biostratigraphy of the northern East Baltic Ashgillian, a preliminary report |
1980 |
| details |
Late Ordovician |
Llandoverian |
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian chitinozoa from the northern part of the Russian Platform. |
1981 |
| details |
Ordovician |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Early Ashgillian |
|
Sweden |
Grahn,Y. Ordovician chitinozoa from the Stora Asbotorp Boring in Vastergotland South-Central Sweden |
1981 |
| details |
Siegenian |
|
China(Szechwan) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
| details |
Late Caradocian |
Ashgillian |
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |
| 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 |
Middle Ordovician |
|
USSR(Latvian SSR) |
Gailite,L.K. Chitinozoa. (In: The Ordovician of Latvia. R.Z.H.Ulst et al, editor) |
1982 |
| details |
Llanvirnian |
|
S.Ireland(Westmeath) |
Morris,J.H. The stratigraphy of the Lower Paleozoic rocks in the western end of the Longford Down Inlier, Ireland. |
1983 |
| details |
Late Ashgillian |
|
Morocco |
Elaouad-Debbaj,Z. Ashgillian chitinozoa of the Anti-Atlas, (Morocco). |
1984 |