| original |
Givetian |
|
Illinois |
Collinson,C. et al. Chitinozoan faunule of the Devonian Cedar Valley Formation. |
1958 |
| details |
Middle Devonian |
|
Iowa |
Dunn,D.L. Devonian chitinozoans from the Cedar Valley Formation in Iowa. |
1959 |
| details |
Middle Devonian |
|
Algeria |
Taugourdeau,P. et al. Distribution and description of Silurian-Devonian chitinozoans from some Drillings of the C.R.E.P.S., the C.F.P.A. and the S.M.Repal of the Sahara. |
1960 |
| details |
Siegenian |
Emsian |
Algeria |
Taugourdeau,P. Association of chitinozoan from some Drillings in the Edjeleh Region (Sahara). |
1962 |
| details |
Late Devonian |
|
Morocco |
Grignani,D. et al. The chitinozoa from the Oum Doul 1 borehole, Morocco. |
1964 |
| details |
Eifelian |
|
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Middle Devonian |
|
Canada(Ontario) |
Boneham,R.F. Hamilton (Middle Devonian) chitinozoa from rock Glen, Arkona, Ontario |
1967 |
| details |
Eifelian |
|
North America |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Emsian |
Famennian |
Africa |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Eifelian |
|
Asia |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Emsian |
|
Algeria |
Jardin©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). |
1968 |
| details |
Middle Devonian |
|
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |
| details |
Erian |
|
Canada(Ontario) |
Legault,J.A. Chitinozoa and acritarcha of the Hamilton Group (Middle Devonian) of Southern Ontario |
1971 |
| details |
Devonian |
|
Texas |
Kauffman,A.E. Chitinozoans in the subsurface Lower Paleozoic of West Texas |
1971 |
| 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 |
Nd |
|
Nd |
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 |