original |
Late Gothlandian |
|
China(Yunnan) |
Cramer,F.H. Angochitina sinica, a new Siluro-Devonian chitinozoan from Yunnan Province, China |
1970 |
original |
Early Devonian |
|
China(Yunnan) |
Cramer,F.H. Angochitina sinica, a new Siluro-Devonian chitinozoan from Yunnan Province, China |
1970 |
details |
Ludlovian |
|
China(Anhwei) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
details |
Silurian |
|
China |
Gao,L. Silurian chitinozoa. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |
details |
Late Lochkovian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |
details |
Ludfordian |
Pridolian |
China(Kiangsu) |
Geng,L.-Y. et al. Chitinozoan biostratigraphy in China. |
2000 |