Systematophora |
Systematophora placacantha
|
North Sea |
Eocene |
Early Oligocene |
Homotryblium |
Homotryblium pallidum
|
North Sea |
Eocene |
Early Oligocene |
Homotryblium |
Homotryblium tenuispinosum
|
North Sea |
Eocene |
Early Oligocene |
Areosphaeridium |
Areosphaeridium diktyoplokum
|
North Sea |
Eocene |
|
Areosphaeridium |
Areosphaeridium michoudii
|
North Sea |
Eocene |
|
Heteraulacacysta |
Heteraulacacysta porosa
|
North Sea |
Middle Eocene |
|
Areoligera |
Areoligera tauloma
|
North Sea |
Middle Eocene |
|
Diphyes |
Diphyes colligerum
|
North Sea |
Late Paleocene |
Eocene |
Rhombodinium |
Rhombodinium rhomboideum
|
North Sea |
Middle Eocene |
|
Phthanoperidinium |
Phthanoperidinium distinctum
|
North Sea |
Middle Eocene |
|
Diphyes |
Diphyes pseudoficusoides
|
North Sea |
Early Eocene |
Middle Eocene |
Phthanoperidinium |
Phthanoperidinium clithridium
|
North Sea |
Middle Eocene |
|
Areoligera |
Areoligera medusettiformis
|
North Sea |
Ypresian |
|
Diphyes |
Diphyes ficusoides
|
North Sea |
Early Eocene |
Middle Eocene |
Cassiculosphaeridia |
Cassiculosphaeridia magna
|
North Sea |
Early Eocene |
Middle Eocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
North Sea |
Maestrichtian |
Middle Eocene |
Dracodinium |
Dracodinium pachydermum
|
North Sea |
Early Eocene |
Middle Eocene |