Glaphyrocysta |
Glaphyrocysta espirito-santensis
|
Brazil |
Turonian |
Maestrichtian |
Gonyaulacysta |
Gonyaulacysta cassidata
|
Brazil |
Early Turonian |
|
Heterosphaeridium |
Heterosphaeridium difficile
|
Brazil |
Early Turonian |
Early Santonian |
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
Brazil |
Turonian |
Maestrichtian |
Histiocysta |
Histiocysta palla
|
Brazil |
Early Campanian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
Brazil |
Middle Maestrichtian |
|
Hystrichodinium |
Hystrichodinium sp
|
Brazil |
Early Maestrichtian |
|
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Brazil |
Middle Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium espiritosantense
|
Brazil |
Late Santonian |
|
Isabelidinium |
Isabelidinium acuminatum
|
Brazil |
Turonian |
Maestrichtian |
Isabelidinium |
Isabelidinium amphiatum
|
Brazil |
Turonian |
Maestrichtian |
Isabelidinium |
Isabelidinium belfastense
|
Brazil |
Turonian |
Maestrichtian |
Isabelidinium |
Isabelidinium cooksoniae
|
Brazil |
Turonian |
Maestrichtian |
Isabelidinium |
Isabelidinium cretaceum
|
Brazil |
Turonian |
Maestrichtian |
Isabelidinium |
Isabelidinium glabrum
|
Brazil |
Turonian |
Maestrichtian |
Isabelidinium |
Isabelidinium pellucidum
|
Brazil |
Turonian |
Maestrichtian |
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
Brazil |
Late Coniacian |
|