details |
Early Silurian |
|
Paraguay |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Silurian |
|
Sweden(Gotland) |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Lochkovian |
Pragian |
Canada(Nova Scotia) |
Bouyx,E. et al. Biostratigraphy and paleobiogeography of the Silurian-Devonian the Maguma Zone, Nova Scotia, Canada. |
1997 |
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 |
Llandeilian |
|
Baltic |
Paris,F. et al. A revised chitinozoan classification |
1999 |