| details |
Ordovician |
Devonian |
Poland |
Wrona,R.M. Fossil Phenomenon--Chitinozoa. |
1978 |
| original |
Late Gedinnian |
Siegenian |
Poland |
Wrona,R.M. Upper Silurian-Lower Devonian chitinozoa from the subsurface of Southeastern Poland. |
1980 |
| details |
Early Lochkovian |
|
USSR(Ukrainian SSR) |
Paris,F. et al. Chitinozoa of the Silurian-Devonian boundary sections in Podolia, Ukraine |
1996 |
| details |
Early Hirnantian |
|
Gondwanaland |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |