details |
Llandoverian |
Gedinnian |
Europe |
Paris,F. The chitinozoans in the Paleozoic of Southwest Europe. |
1981 |
details |
Wenlockian |
|
Wales |
Aldridge,R.J. et al. Distribution of microfossil Groups across the Wenlock Shelf of the Welsh Basin. |
1981 |
details |
Downtonian |
|
USSR(Estonian SSR) |
Richardson,J.B. et al. Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries. |
1981 |
details |
Late Ordovician |
Ludlovian |
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian chitinozoa from the northern part of the Russian Platform. |
1981 |
details |
Wenlockian |
Ludlovian |
England(Shropshire) |
Dorning,K.J. Silurian chitinozoa from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
details |
Late Pridolian |
Early Lochkovian |
Czechoslovakia |
Paris,F. et al. Chitinozoa of the Silurian-Devonian boundary stratotypes in Bohemia. |
1981 |
details |
Late Ludlovian |
|
Romania |
Iliescu,V. et al. Some chitinozoa from the Silurian of the Moldavian Platform, (Roumania). |
1981 |
details |
Lochkovian |
|
China(Kwangsi) |
Yang,H.P. et al. The Devonian system in China |
1981 |
details |
Lochkovian |
|
France(Herault) |
de Bock,F.R. Chitinozoa in the Silurian-Devonian Boundary Beds of the southeastern Montagne Noire, (Herault, France). |
1982 |
details |
Early Wenlockian |
Late Wenlockian |
USSR(Estonian SSR) |
Nestor,V. Chitinozoan Zonal Assemblages, (Wenlock, Estonia). |
1982 |
details |
Llandoverian |
|
China(Szechwan) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
details |
Pridolian |
|
China(Yunnan) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
details |
Gedinnian |
Early Siegenian |
China(Kwangsi) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
details |
Emsian |
|
China(Kweichow) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
details |
Wenlockian |
Ludlovian |
Argentina(Jujuy) |
Andreis,R.R. et al. Paleoenvironmental interpretation of the Paleozoic sequence outcrops at the Rio Grande, Zapla Mountains, Juyuy Province of Argentina, with consideration of age. |
1982 |
details |
Gedinnian |
Givetian |
Brazil(Piaui) |
de Quadros,L.P. Biostratigraphic distribution of chitinozoa and acritarchs of the Parnaiba Basin |
1982 |
details |
Late Ashgillian |
|
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |