Tarsisphaeridium |
Tarsisphaeridium sp
|
Brazil |
Turonian |
Maestrichtian |
Trichodinium |
Trichodinium castanea
|
Brazil |
Campanian |
|
Vozzhennikovia |
Vozzhennikovia spinulosa
|
Brazil |
Turonian |
Maestrichtian |
Xenascus |
Xenascus ceratioides
|
Brazil |
Middle Maestrichtian |
|
Xenascus |
Xenascus gochtii
|
Brazil |
Turonian |
Maestrichtian |
Xiphophoridium |
Xiphophoridium alatum
|
Brazil |
Late Santonian |
|
Yolkinigymnium |
Yolkinigymnium lanceolatum
|
Brazil |
Turonian |
Maestrichtian |
Cannosphaeropsis |
Cannosphaeropsis utinensis
|
Brazil |
Late Maestrichtian |
|
Chatangiella |
Chatangiella victoriensis
|
Brazil |
Middle Maestrichtian |
|
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Brazil |
Middle Campanian |
|
Histiocysta |
Histiocysta palla
|
Brazil |
Early Campanian |
|
Canningia |
Canningia senonica
|
Brazil |
Middle Santonian |
Late Santonian |
Stephodinium |
Stephodinium coronatum
|
Brazil |
Late Santonian |
|
Ellipsodinium |
Ellipsodinium rugulosum
|
Brazil |
Middle Santonian |
|
Cyclonephelium |
Cyclonephelium vannophorum
|
Brazil |
Middle Santonian |
|
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
Brazil |
Late Coniacian |
|
Cyclonephelium |
Cyclonephelium membraniphorum
|
Brazil |
Middle Coniacian |
|