Cleistosphaeridium |
Cleistosphaeridium ehrenbergii
|
Gondwanaland |
Callovian |
Kimmeridgian |
Cleistosphaeridium |
Cleistosphaeridium ehrenbergii
|
Europe |
Early Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium lumectum
|
Northern Hemisphere |
Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium lumectum
|
Gondwanaland |
Late Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium lumectum
|
Europe |
Early Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium polyacanthum
|
Northern Hemisphere |
Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium polyacanthum
|
Gondwanaland |
Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium polyacanthum
|
Europe |
Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium polytrichum
|
Gondwanaland |
Late Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium polytrichum
|
Europe |
Callovian |
Oxfordian |
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
Northern Hemisphere |
Late Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
Gondwanaland |
Late Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
Europe |
Callovian |
Middle Oxfordian |
Compositosphaeridium |
Compositosphaeridium bulgaricum
|
Northern Hemisphere |
Oxfordian |
|
Compositosphaeridium |
Compositosphaeridium bulgaricum
|
Gondwanaland |
Early Oxfordian |
|
Compositosphaeridium |
Compositosphaeridium bulgaricum
|
Europe |
Oxfordian |
|
Compositosphaeridium |
Compositosphaeridium polonicum
|
Northern Hemisphere |
Oxfordian |
Kimmeridgian |