| original |
Middle Devonian |
|
Michigan |
Dunn,D.L. et al. A distinctive chitinozoan from the Alpena Limestone (Middle Devonian) of Michigan. |
1964 |
| details |
Eifelian |
|
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1966 |
| details |
Nd |
|
Nd |
Tappan,H. Chitinozoan classification. |
1966 |
| details |
Late Emsian |
Eifelian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Early Llandoverian |
Frasnian |
Brazil(Amazonas) |
Lange,F.W. Biostratigraphic subdivisions and revision of the Silurian-Devonian column of the Lower Amazon Basin. |
1967 |
| details |
Eifelian |
|
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |
| details |
Middle Devonian |
|
Indiana |
Wright,R.P. et al. Chitinozoa from the Middle Devon Miscatatuk Group of Indiana |
1977 |
| details |
Devonian |
|
USA |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Devonian |
|
South America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Nd |
|
Nd |
Taugourdeau,P. Several systematic attributes proposed for chitinozoa. |
1981 |
| details |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Middle Devonian |
|
Michigan |
Paris,F. et al. A revised chitinozoan classification |
1999 |