| details |
Middle Devonian |
|
|
Lange,F.W. et al. The Devonian of the Parana Basin |
1967 |
| original |
Middle Devonian |
|
|
Lange,F.W. Biostratigraphic subdivision and correlation of the Devonian in the Parana Basin |
1967 |
| details |
Middle Devonian |
|
|
da Costa,N.M. Brazilian chitinozoans and their stratigraphic importance |
1971 |
| details |
Emsian |
Frasnian |
Ghana |
Anan-Yorke,R. Devonian chitinozoa and acritarcha from exploratory oil wells on the shelf and coastal region of Ghana, West Africa. |
1974 |
| details |
Nd |
|
Nd |
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Late Emsian |
Eifelian |
South America |
Paris,F. Chitinozoan biostratigraphy and palaeoecology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |