| details |
Devonian |
|
North Dakota |
Morgan,D.H. Chitinozoa from the Williston Basin in North Dakota. |
1964 |
| details |
Gothlandian |
|
Libya |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
| details |
Gothlandian |
|
Africa(Sahara) |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
| details |
Silurian |
|
Nd |
Matthes,H.W. Introduction to micropaleontology |
1956 |
| original |
Pridolian |
|
Baltic Sea |
Eisenack,A. Chitinozoans, Hystrichospheres and other microfossils from the Beyrichia-Limestone. |
1955 |