Alpenachitina |
Alpenachitina eisenacki
|
Brazil(Piaui) |
Emsian |
Givetian |
Ancyrochitina |
Ancyrochitina ancyrea
|
Brazil(Piaui) |
Gedinnian |
Givetian |
Ancyrochitina |
Ancyrochitina capillata
|
Brazil(Piaui) |
Eifelian |
Frasnian |
Ancyrochitina |
Ancyrochitina desmea
|
Brazil(Piaui) |
Eifelian |
|
Ancyrochitina |
Ancyrochitina implicationis
|
Brazil(Piaui) |
Emsian |
Givetian |
Ancyrochitina |
Ancyrochitina langei
|
Brazil(Piaui) |
Emsian |
Givetian |
Ancyrochitina |
Ancyrochitina mourai
|
Brazil(Piaui) |
Eifelian |
Famennian |
Baltisphaeridium |
Baltisphaeridium dilatispinosum
|
Brazil(Piaui) |
Emsian |
Strunian |
Baltisphaeridium |
Baltisphaeridium sp
|
Brazil(Piaui) |
Gedinnian |
Tournaisian |
Cladochitina |
Cladochitina biconstricta
|
Brazil(Piaui) |
Emsian |
Givetian |
Conochitina |
Conochitina dolosa
|
Brazil(Piaui) |
Gedinnian |
|
Cyathochitina |
Cyathochitina sp
sp. nov. |
Brazil(Piaui) |
Gedinnian |
|
Dactylofusa |
Dactylofusa maranhensis
|
Brazil(Piaui) |
Gedinnian |
|
Desmochitina |
Desmochitina sp
sp. nov. |
Brazil(Piaui) |
Gedinnian |
|
Duvernaysphaera |
Duvernaysphaera radiata
|
Brazil(Piaui) |
Givetian |
Strunian |
Duvernaysphaera |
Duvernaysphaera tessella
|
Brazil(Piaui) |
Siegenian |
Visean |
Estiastra |
Estiastra sp
sp. nov. |
Brazil(Piaui) |
Emsian |
Strunian |