| original |
Wenlockian |
|
Sweden |
Laufeld,S. Silurian chitinozoa from Gotland. |
1974 |
| details |
Late Gothlandian |
Early Devonian |
USSR |
Laufeld,S. Chitinozoans. |
1977 |
| details |
Late Gothlandian |
Early Devonian |
Czechoslovakia |
Laufeld,S. Chitinozoans. |
1977 |
| details |
Ludlovian |
|
Turkey |
Fontaine,J.-M. et al. New contributions on the stratigraphy of Paleozoic formations of the Arab Platform in the Hazro Region of Turkey. |
1980 |
| details |
Ludlovian |
Pridolian |
Czechoslovakia |
Paris,F. et al. Chitinozoan biostratigraphy of the Ludlovian-Pridolian boundary in the Barrandian area. |
1981 |
| details |
Nd |
|
Nd |
Taugourdeau,P. Several systematic attributes proposed for chitinozoa. |
1981 |
| details |
Nd |
|
Nd |
Cashman,P.B. Lower Devonian chitinozoan Juveniles: Oldest fossil evidence of a Juvenile Stage in Protists, with an interpretation of their Ontogeny and relationship to all Ogromiid Foraminifera |
1991 |
| details |
Nd |
|
Nd |
Grahn,Y. Lower Silurian chitinozoa and biostratigraphy of subsurface Gotland. |
1995 |
| details |
Nd |
|
Nd |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| 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 |
Nd |
|
Nd |
Paris,F. et al. A revised chitinozoan classification |
1999 |