Hystrichosphaeridium |
Hystrichosphaeridium pachydermum
|
Northern Hemisphere |
Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pachydermum
|
Gondwanaland |
Oxfordian |
Kimmeridgian |
Hystrichosphaeridium |
Hystrichosphaeridium pachydermum
|
Europe |
Oxfordian |
|
Kalyptea |
Kalyptea diceras
|
Northern Hemisphere |
Oxfordian |
Kimmeridgian |
Kalyptea |
Kalyptea diceras
|
Gondwanaland |
Early Oxfordian |
|
Kalyptea |
Kalyptea diceras
|
Europe |
Oxfordian |
|
Komewuia |
Komewuia evittii
|
Northern Hemisphere |
Oxfordian |
|
Komewuia |
Komewuia evittii
|
Gondwanaland |
Oxfordian |
|
Komewuia |
Komewuia evittii
|
Europe |
Oxfordian |
|
Komewuia |
Komewuia glabra
|
Northern Hemisphere |
Callovian |
Oxfordian |
Komewuia |
Komewuia glabra
|
Gondwanaland |
Oxfordian |
|
Komewuia |
Komewuia glabra
|
Europe |
Oxfordian |
|
Korystocysta |
Korystocysta gochtii
|
Northern Hemisphere |
Oxfordian |
|
Korystocysta |
Korystocysta gochtii
|
Gondwanaland |
Callovian |
Oxfordian |
Korystocysta |
Korystocysta gochtii
|
Europe |
Oxfordian |
|
Korystocysta |
Korystocysta pachyderma
|
Northern Hemisphere |
Oxfordian |
|
Korystocysta |
Korystocysta pachyderma
|
Gondwanaland |
Callovian |
Early Oxfordian |