Adnatosphaeridium |
Adnatosphaeridium
|
Brazil(Minas Gerais) |
Miocene |
|
Alisocysta |
Alisocysta
|
Brazil(Minas Gerais) |
Oligocene |
|
Apectodinium |
Apectodinium
|
Brazil(Minas Gerais) |
Oligocene |
|
Araneosphaera |
Araneosphaera
|
Brazil(Minas Gerais) |
Miocene |
|
Areoligera |
Areoligera
|
Brazil(Minas Gerais) |
Late Eocene |
Early Miocene |
Areosphaeridium |
Areosphaeridium arcuatum
|
Brazil(Minas Gerais) |
Late Eocene |
|
Areosphaeridium |
Areosphaeridium diktyoplokum
|
Brazil(Minas Gerais) |
Eocene |
|
Batiacasphaera |
Batiacasphaera
|
Brazil(Minas Gerais) |
Miocene |
|
Canningia |
Canningia
|
Brazil(Maranhao) |
Aptian |
Albian |
Canningia |
Canningia colliveri
|
Brazil(Ceara) |
Aptian |
Cenomanian |
Carpatella |
Carpatella
|
Brazil(Minas Gerais) |
Miocene |
|
Chiropteridium |
Chiropteridium
|
Brazil(Minas Gerais) |
Oligocene |
Early Miocene |
Cleistosphaeridium |
Cleistosphaeridium
|
Brazil(Minas Gerais) |
Late Oligocene |
Early Miocene |
Cordosphaeridium |
Cordosphaeridium diktyoplokum
|
Brazil(Ceara) |
Eocene |
|
Cordosphaeridium |
Cordosphaeridium inodes
|
Brazil(Amapa) |
Miocene |
|
Coronifera |
Coronifera oceanica
|
Brazil |
Late Albian |
|
Cyclonephelium |
Cyclonephelium retiintextum
|
Brazil |
Eocene |
Early Miocene |