| details |
Early Silurian |
|
Alabama |
Chaiffetz,M.S. Preservational effects of pyrite crystals on chitinozoans from the Lower Silurian Red Mountain Formation, northeast Alabama, USA. |
1978 |
| details |
Late Givetian |
|
Texas |
Chaiffetz,M.S. Devonian, North American; USA biostratigraphy, palaeoecology, descriptive Palaeontology: Systematics. |
1979 |
| 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 |
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 |
Silurian |
|
Brazil(Para) |
Boekel,N.M.Van Silurian microfossils from the Garape da Rainha, Pa Para |
1968 |