| original |
Wenlockian |
|
USSR(Estonian SSR) |
Nestor,V. Zonal distribution of chitinozoans in the Wenlockian Jaani Stage of Estonia and the problem of its upper boundary. (In: Stratigraphy of older Paleozoic deposits of the Baltic Regions. R.M. Miannil and K.A. Mens, editors) |
1984 |
| original |
Pridolian |
|
Canada(New Brunswick) |
Achab,A. et al. Upper Silurian and Lower Devonian chitinozoan microfaunas in the Chaleurs Groups, Eastern Canada. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| original |
Pridolian |
|
Canada(Quebec) |
Achab,A. et al. Upper Silurian and Lower Devonian chitinozoan microfaunas in the Chaleurs Groups, Eastern Canada. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| original |
Late Frasnian |
Early Famennian |
France(Alpes,Hautes) |
Paris,F. et al. Chitinozoan Bio-Event in the Frasnian-Famennian boundary Beds at La Serre (Montagne Noire, Southern France) |
1996 |