| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Frasnian | Brazil(Amazonas) | Grahn,Y. et al. Silurian-Devonian chitinozoan biostratigraphy along the Urubu, UatumЈ and Abacate rivers in the western part of the Amazonas Basin, Northern Brazil. | 2003 | |
| details | Early Famennian | Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. | 2005 | ||
| details | Late Eifelian | Frasnian | Brazil(Paraiba) | Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. | 2005 |