| original |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Chitinozoa of the Baltic Region. |
1968 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils from the Silurian of Esthonia and the Isle of Osel |
1970 |
| details |
Late Llandoverian |
Wenlockian |
USSR(Moscow) |
Aristova,K.E. Palynological research of Silurian deposits in the Moscow Basin. |
1976 |
| details |
Nd |
|
Nd |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Ordovician |
Silurian |
Baltic |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Ludlovian |
|
Estonia |
Nestor,V. Biostratigraphy: Silurian chitinozoans |
1990 |
| details |
Ludlovian |
|
Estonia |
Rubel,M. Biostratigraphy: Composite standard |
1990 |
| details |
Llandoverian |
|
Sweden |
Nestor,V. Distribution of chitinozoans in the Llandovery of the Oslo region. |
1999 |
| details |
Ludfordian |
|
China(Kiangsu) |
Geng,L.-Y. et al. Chitinozoan biostratigraphy in China. |
2000 |