Achomosphaera |
Achomosphaera ramulifera
|
Australia |
Paleocene |
|
Achomosphaera |
Achomosphaera ramulifera
|
Belgium |
Eocene |
|
Achomosphaera |
Achomosphaera ramulifera
|
England |
Eocene |
|
Achomosphaera |
Achomosphaera ramulifera
|
E.Germany |
Oligocene |
|
Achomosphaera |
Achomosphaera ramulifera
|
E.Germany |
Miocene |
|
Achomosphaera |
Achomosphaera ramulifera
|
W.Germany |
Early Cretaceous |
|
Actinotheca |
Actinotheca
|
Worldwide |
Cenomanian |
Paleocene |
Actinotheca |
Actinotheca aphroditae
|
Australia |
Turonian |
|
Adnatosphaeridium |
Adnatosphaeridium
|
Worldwide |
Triassic |
Eocene |
Adnatosphaeridium |
Adnatosphaeridium vittatum
|
England |
Eocene |
|
Amphorosphaeridium |
Amphorosphaeridium
|
Worldwide |
Senonian |
Maastrichtian |
Amphorosphaeridium |
Amphorosphaeridium fenestratum
|
South Africa |
Late Cretaceous |
|
Amphorula |
Amphorula
|
Worldwide |
Triassic |
Tithonian |
Amphorula |
Amphorula metaelliptica
|
Bulgaria |
Tithonian |
|
Anthosphaeridium |
Anthosphaeridium
|
Worldwide |
Barremian |
Senonian |
Anthosphaeridium |
Anthosphaeridium convolvuloides
|
Australia(W.Australia) |
Late Cretaceous |
|
Araneosphaera |
Araneosphaera
|
Worldwide |
Middle Eocene |
Late Eocene |