| original |
Middle Devonian |
|
Illinois |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Siegenian |
|
France(Manche) |
Doubinger,J. Palynologic-Planktonic study of some Lower Devonian (Siegenian) samples from the Cotentin. |
1963 |
| details |
Middle Siegenian |
|
France |
Doubinger,J. et al. The presence of Numerous chitinozoans in the Lower Devonian (Siegenian) of Cotentin |
1964 |
| details |
Eifelian |
|
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Eifelian |
|
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Eifelian |
|
North America |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Eifelian |
|
Asia |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Nd |
|
Nd |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Middle Devonian |
|
Illinois |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |