Cyclonephelium |
Cyclonephelium attadalicum
|
Atlantic Ocean |
Hauterivian |
Aptian |
Gonyaulacysta |
Gonyaulacysta serrata
|
Atlantic Ocean |
Hauterivian |
Barremian |
Subtilisphaera |
Subtilisphaera perlucida
|
Atlantic Ocean |
Hauterivian |
Aptian |
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Atlantic Ocean |
Hauterivian |
Albian |
Exochosphaeridium |
Exochosphaeridium bifidum
|
Atlantic Ocean |
Hauterivian |
Late Cenomanian |
Odontochitina |
Odontochitina operculata
|
Atlantic Ocean |
Hauterivian |
Cenomanian |
Oligosphaeridium |
Oligosphaeridium complex
|
Atlantic Ocean |
Barremian |
|
Callialasporites |
Callialasporites trilobatus
|
Atlantic Ocean |
Barremian |
|
Callialasporites |
Callialasporites segmentatus
|
Atlantic Ocean |
Barremian |
|
Aptea |
Aptea polymorpha
|
Atlantic Ocean |
Barremian |
|
Systematophora |
Systematophora schindewolfii
|
Atlantic Ocean |
Aptian |
|
Callialasporites |
Callialasporites dampieri
|
Atlantic Ocean |
Kimmeridgian |
Aptian |
Spiniferites |
Spiniferites duplifurcata
|
Atlantic Ocean |
Aptian |
|
Cleistosphaeridium |
Cleistosphaeridium polypes
|
Atlantic Ocean |
Barremian |
Early Cenomanian |
Coronifera |
Coronifera oceanica
|
Atlantic Ocean |
Barremian |
Early Cenomanian |
Cleistosphaeridium |
Cleistosphaeridium huguoniotii
|
Atlantic Ocean |
Aptian |
Early Cenomanian |
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
Atlantic Ocean |
Aptian |
Middle Cenomanian |