| original |
Middle Devonian |
Late Devonian |
Brazil(Maranhao) |
Brito,I.M. New Devonian microfossil from Maranhao |
1965 |
| details |
Middle Devonian |
Late Devonian |
Brazil(Maranhao) |
Brito,I.M. A new subgroup of acritarcha from the Devonian of Maranhao. |
1967 |
| details |
Middle Devonian |
|
Brazil(Maranhao) |
Brito,I.M. Silurian and Devonian acritarcha from Maranhao Basin, Brazil |
1967 |
| details |
Middle Devonian |
Late Devonian |
Brazil(Maranhao) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Vol.5 Acritarcha. |
1979 |
| details |
Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |