Imbatodinium |
Imbatodinium verrucosum
|
Nd |
Late Jurassic |
|
Imbatodinium |
Imbatodinium villosum
|
Nd |
Late Jurassic |
|
Impletosphaeridium |
Impletosphaeridium capillaceum
|
Nd |
Early Eocene |
|
Impletosphaeridium |
Impletosphaeridium densicomatum
|
Nd |
Middle Oligocene |
Middle Miocene |
Impletosphaeridium |
Impletosphaeridium erinaceum
|
Nd |
Early Eocene |
|
Impletosphaeridium |
Impletosphaeridium implicatum
|
Nd |
Early Eocene |
|
Impletosphaeridium |
Impletosphaeridium kroemmelbeinii
|
Nd |
Early Eocene |
|
Impletosphaeridium |
Impletosphaeridium labyrinthus
|
Nd |
Early Eocene |
|
Impletosphaeridium |
Impletosphaeridium multispinosum
|
Nd |
Middle Oligocene |
|
Impletosphaeridium |
Impletosphaeridium panniforme
|
Nd |
Middle Oligocene |
|
Impletosphaeridium |
Impletosphaeridium placacanthum
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium pycnospinosum
|
Nd |
Middle Oligocene |
Late Oligocene |
Impletosphaeridium |
Impletosphaeridium rugosum
|
Nd |
Early Eocene |
|
Impletosphaeridium |
Impletosphaeridium transfodum
|
Nd |
Early Eocene |
|
Impletosphaeridium |
Impletosphaeridium whitei
|
Nd |
Nd |
|
Jansonia |
Jansonia jurassica
|
Nd |
Late Bajocian |
|
Jusella |
Jusella crebraporosa
|
Nd |
Early Oligocene |
|