| details |
Late Devonian |
|
New Mexico |
Chaiffetz,M.S. et al. First report of chitinozoa from the Upper Devonian Percha Shale, southwest New Mexico. |
1977 |
| details |
Givetian |
|
Iowa |
Wicander,R. et al. Acritarchs, spores and chitinozoans from the Middle Devonian, (Givetian), Rapid Member of the Cedar Valley Formation, Iowa, U.S. |
1984 |
| 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 |
Miller,M.A. Chitinozoa. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Pridolian |
|
Baltic |
Paris,F. et al. A revised chitinozoan classification |
1999 |