| 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 |
Gedinnian |
|
France(Manche) |
Poncet,J. et al. New stratigraphic data on the Comprehensive Series (D1-S4), of Cotentin. |
1971 |
| details |
Erian |
|
Canada(Ontario) |
Legault,J.A. Chitinozoa and acritarcha of the Hamilton Group (Middle Devonian) of Southern Ontario |
1971 |
| details |
Middle Eifelian |
|
W.Germany(Rhineland) |
Pichler,R. Microfossils from the Devonian of the Southern Eifel Basin. (Contributions relating to the type sections at Wetteldorf Andschoenecken, No.12). |
1971 |
| details |
Middle Eifelian |
|
W.Germany(Rhineland) |
Pichler,R. Microfossils from the Devonian of the Southern Eifel Basin. (Contributions relating to the type sections at Wetteldorf Andschoenecken, No.12). |
1971 |
| details |
Early Devonian |
Middle Devonian |
Brazil(Amazonas) |
da Costa,N.M. Brazilian chitinozoans and their stratigraphic importance |
1971 |
| details |
Early Devonian |
Middle Devonian |
|
da Costa,N.M. Brazilian chitinozoans and their stratigraphic importance |
1971 |
| details |
Devonian |
|
Texas |
Kauffman,A.E. Chitinozoans in the subsurface Lower Paleozoic of West Texas |
1971 |
| details |
Middle Devonian |
|
Iowa |
Urban,J.B. A reexamination of chitinozoa from the Cedar Valley Formation of Iowa with observations on their morphology and distribution. |
1972 |
| details |
Nd |
|
Nd |
Urban,J.B. A reexamination of chitinozoa from the Cedar Valley Formation of Iowa with observations on their morphology and distribution. |
1972 |
| details |
Gedinnian |
|
Romania |
Beju,D. Zoning and correlation of the Paleozoic of the Moesian Platform on the basis of palynoprotistological assemblages.1. |
1972 |
| details |
Early Gothlandian |
Early Emsian |
Nd |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Middle Ludlovian |
|
USSR(Ukrainian SSR) |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Middle Devonian |
|
Iowa |
Urban,J.B. et al. Chitinozoa of the Wapsipinicon Formation, (Middle Devonian), of Iowa. |
1973 |
| details |
Middle Devonian |
|
Canada(Ontario) |
Legault,J.A. Chitinozoa and acritarcha of the Hamilton Formation, (Middle Devonian), southwestern Ontario. |
1973 |
| details |
Middle Devonian |
|
Ohio |
Wood,G.D. Chitinozoa of the Silica Formation, (Middle Devonian, Ohio), vesicle ornamentation and paleoecology. |
1974 |
| details |
Silurian |
|
Tunisia |
Cramer,F.H. et al. Polymorphism in Silurian chitinozoans from Tunisia |
1974 |