Hystrichosphaera |
Hystrichosphaera sergipensis
|
Brazil(Amazonas) |
Early Eocene |
|
Hystrichosphaera |
Hystrichosphaera sergipensis
|
Brazil(Amapa) |
Early Eocene |
|
Hystrichosphaera |
Hystrichosphaera sergipensis
|
Brazil(Ceara) |
Early Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium alagoense
|
Brazil(Amapa) |
Miocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium alagoense
|
Brazil |
Eocene |
Early Miocene |
Hystrichosphaeridium |
Hystrichosphaeridium alagoense
|
Brazil(Ceara) |
Eocene |
Early Miocene |
Hystrichosphaeridium |
Hystrichosphaeridium aracajuense
|
Brazil |
Paleocene |
Early Eocene |
Hystrichosphaeridium |
Hystrichosphaeridium aracajuense
|
Brazil(Ceara) |
Paleocene |
Early Eocene |
Hystrichosphaeridium |
Hystrichosphaeridium bahiaense
|
Brazil(Ceara) |
Eocene |
Miocene |
Hystrichosphaeridium |
Hystrichosphaeridium bahiaense
|
Brazil |
Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium caiobense
|
Brazil(Ceara) |
Paleocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium caiobense
|
Brazil(Amazonas) |
Paleocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium caiobense
|
Brazil(Amapa) |
Paleocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium caiobense
|
Brazil |
Paleocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium espiritosantense
|
Brazil |
Maastrichtian |
|
Hystrichosphaeridium |
Hystrichosphaeridium espiritosantense
|
Brazil(Ceara) |
Maastrichtian |
|
Hystrichosphaeridium |
Hystrichosphaeridium maranhense
|
Brazil(Ceara) |
Albian |
Cenomanian |