| details |
Early Devonian |
|
Worldwide |
Winchester-Seeto,T. Biogeography of Early Devonian chitinozoa. (In: Paleozoic sequence stratigraphy, biostratigraphy and biogeography: studies in Honor of J.Granville ("Jess") Johnson. G.Klapper et al, editors) |
1997 |
| details |
Late Gothlandian |
Early Devonian |
USSR |
Laufeld,S. Chitinozoans. |
1977 |
| details |
Ordovician |
|
USA |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Caradocian |
|
USA |
Jenkins,W.A.M. Chitinozoa |
1970 |
| details |
Caradocian |
|
United Kingdom |
Jenkins,W.A.M. Chitinozoa |
1970 |
| details |
Caradocian |
|
Turkey |
Miller,M.A. et al. Chitinozoans from the Bedinian Formation (Upper) Ordovician) South-Eastern Turkey |
1988 |
| details |
Osagean |
Meramecian |
Texas |
Cornell,W.C. Chitinozoa and acritarchs from the Las Cruces Limestone (Osagean-Meramecian) |
1987 |
| details |
Ludlovian |
|
Sweden(Gotland) |
Paris,F. et al. A revised chitinozoan classification |
1999 |
| details |
Caradocian |
|
Sweden |
Jenkins,W.A.M. Chitinozoa |
1970 |
| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Chitinozoans of a composite section of Upper Lland overian to Basal Lower Gedinnian sediments in Nort Hern Leon, Spain. a Prelimnary report. |
1966 |
| details |
Silurian |
Devonian |
South America |
Laufeld,S. Biogeography of Ordovician, Silurian, and Devonian chitinozoans. |
1979 |
| details |
Silurian |
|
Romania |
Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. |
1971 |
| details |
Early Devonian |
Middle Devonian |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Wenlockian |
|
Portuguese Guinea |
Cramer,F.H. et al. Subsurface section from Portuguese Guinea dated by palynomorphs as Middle Silurian. |
1972 |
| details |
Wenlockian |
|
Portuguese Guinea |
Cramer,F.H. et al. Subsurface section from Portuguese Guinea dated by palynomorphs as Middle Silurian. |
1972 |
| details |
Middle Llandoverian |
|
Paraguay |
Wood,G.D. et al. Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay. |
1991 |
| details |
Llandoverian |
Wenlockian |
Paraguay |
Wood,G.D. et al. Chitinozoans and microplankton from the Silurian Vargas Pena Shale, (Itacurubi Group) Chaco Basin, Paraguay. |
1988 |