| original |
Early Devonian |
|
|
Lange,F.W. New Devonian microfossils of Parana |
1949 |
| details |
Devonian |
|
|
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Early Devonian |
|
Brazil |
Cousminer,H.L. Biostratigraphic value of Devonian palynomorphs in Medial South America. |
1964 |
| details |
Early Devonian |
|
|
Cousminer,H.L. Biostratigraphic value of Devonian palynomorphs in Medial South America. |
1964 |
| details |
Early Devonian |
|
|
Lange,F.W. Biostratigraphic subdivision and correlation of the Devonian in the Parana Basin |
1967 |
| details |
Early Devonian |
|
|
Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils |
1976 |
| details |
Late Lochkovian |
Emsian |
Canada(Quebec) |
Achab,A. et al. Chitinozoan assemblage from the third order transgressive-regressive cycles of the Upper Gaspe Limestones (Lower Devonian of eastern Canada) |
1997 |
| details |
Early Devonian |
|
|
Grahn,Y. et al. Middle and Upper Devonian Chitinozoan biostratigraphy of the Parana Basin in Brazil and Paraguay. |
2002 |
| details |
Early Givetian |
|
|
Grahn,Y. et al. Middle and Upper Devonian Chitinozoan biostratigraphy of the Parana Basin in Brazil and Paraguay. |
2002 |
| details |
Early Givetian |
|
Paraguay |
Grahn,Y. et al. Middle and Upper Devonian Chitinozoan biostratigraphy of the Parana Basin in Brazil and Paraguay. |
2002 |