| details |
Ashgillian |
|
Nd |
Achab,A. Chitinozoa from the Vaureal and Macasty Formations (Upper Ordovician), Ile d'Anticosti, Quebec, Canada. |
1978 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Caradocian |
Middle Ashgillian |
Europe |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Caradocian |
Middle Ashgillian |
North America |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Late Ordovician |
|
USSR(Orenburg) |
Ivanova,T.D. et al. To the structure of Lower Paleozoic sediments in the Orenburgskoe Priural'e. |
1979 |
| details |
Ordovician |
|
Africa(Sahara) |
Profichet,P. A note on the morphology of Saharan Paleozoic chitinozoa |
1979 |
| details |
Early Ordovician |
|
China(Yunnan) |
Kao,L. Lower Ordovician chitinozoans from Wuding and Luquan, Yunnan. |
1980 |
| details |
Late Caradocian |
|
USSR(Ukrainian SSR) |
Tsegelnyuk,P.D. Ordovician stratigraphy of the Southwestern Region of the Russian Platform |
1980 |
| details |
Ashgillian |
|
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 |
Early Ordovician |
|
China(Yunnan) |
Gao,L. Lower Ordovician chitinozoans from Wuding and Luquan, Yunnan. |
1980 |
| details |
Ashgillian |
|
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Arenigian |
Llanvirnian |
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
| details |
Late Ordovician |
|
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 |
Late Ordovician |
Early Gothlandian |
Canada(Anticosti Island) |
Achab,A. Biostratigraphy of the chitinozoa of Upper Ordovician - Lower Silurian of Anticosti Island. Preliminary results. |
1981 |
| details |
Late Arenigian |
Early Llanvirnian |
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |