Amphorula |
Amphorula metaelliptica
|
Bulgaria |
Tithonian |
|
Anthosphaeridium |
Anthosphaeridium convolvuloides
|
Australia(W.Australia) |
Santonian |
|
Anthosphaeridium |
Anthosphaeridium convolvuloides
|
Australia(W.Australia) |
Campanian |
|
Aptea |
Aptea polymorpha
|
Nd |
Nd |
|
Areoligera |
Areoligera birama
|
Germany |
Middle Oligocene |
|
Areoligera |
Areoligera coronata
|
E.Germany |
Senonian |
|
Areoligera |
Areoligera danica
|
W.Germany |
Danian |
|
Areoligera |
Areoligera dermatica
|
Germany |
Middle Oligocene |
|
Areoligera |
Areoligera medusettiformis
|
W.Germany |
Middle Oligocene |
|
Areoligera |
Areoligera medusettiformis
|
Switzerland |
Middle Oligocene |
|
Areoligera |
Areoligera senonensis
|
Belgium |
Senonian |
|
Areoligera |
Areoligera tenuicapillata
|
W.Germany |
Senonian |
|
Areoligera |
Areoligera tenuicapillata
|
Switzerland |
Senonian |
|
Areoligera |
Areoligera volata
|
California |
Danian |
|
Arpylorus |
Arpylorus antiquus
|
Tunisia |
Gothlandian |
|
Astrocysta |
Astrocysta cretacea
|
Canada |
Barremian |
|
Astrocysta |
Astrocysta cretacea
|
Canada(Saskatchewan) |
Albian |
|