Oligosphaeridium |
Oligosphaeridium anthophorum
|
Australia |
Late Jurassic |
|
Cordosphaeridium |
Cordosphaeridium floripes
|
Australia |
Miocene |
|
Cordosphaeridium |
Cordosphaeridium floripes
|
Australia |
Eocene |
|
Polysphaeridium |
Polysphaeridium polypes
|
Australia |
Cretaceous |
|
Tanyosphaeridium |
Tanyosphaeridium ellipticum
|
Australia |
Late Eocene |
|
Tanyosphaeridium |
Tanyosphaeridium isocalamum
|
Australia |
Early Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Australia(NSW) |
Early Cretaceous |
|
Duosphaeridium |
Duosphaeridium nudum
|
Australia(Victoria) |
Late Eocene |
|
Diphyes |
Diphyes nudum
|
Australia(Victoria) |
Late Eocene |
|
Diphyes |
Diphyes
|
Australia(Victoria) |
Early Eocene |
|
Duosphaeridium |
Duosphaeridium
|
Australia(Victoria) |
Late Eocene |
|
Litosphaeridium |
Litosphaeridium
|
Australia(W.Australia) |
Albian |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
|
Australia(W.Australia) |
Albian |
|
Polysphaeridium |
Polysphaeridium majus
|
Belgium |
Late Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium albertense
|
Canada |
Late Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium irregulare
|
Canada |
Early Cretaceous |
|
Cordosphaeridium |
Cordosphaeridium erectum
|
Canada |
Late Cretaceous |
|