Rhombodella |
Rhombodella natans
|
Australia(W.Australia) |
Aptian |
Albian |
Spinidinium |
Spinidinium styloniferum
|
Australia(W.Australia) |
Aptian |
Albian |
Coronifera |
Coronifera oceanica
|
Australia(W.Australia) |
Albian |
|
Cyclodictyon |
Cyclodictyon paradoxum
|
Australia(W.Australia) |
Cenomanian |
|
Dictyopyxidia |
Dictyopyxidia areolata
|
Australia(W.Australia) |
Early Kimmeridgian |
|
Diplofusa |
Diplofusa gearlensis
|
Australia(W.Australia) |
Cenomanian |
|
Horologinella |
Horologinella lineata
|
Australia(W.Australia) |
Early Cretaceous |
|
Bacisphaeridium |
Bacisphaeridium bacifer
|
Baltic |
Ordovician |
|
Leiosphaeridia |
Leiosphaeridia baltica
|
Baltic |
Ordovician |
|
Lunulidia |
Lunulidia lunula
|
Baltic |
Ordovician |
|
Orygmatosphaeridium |
Orygmatosphaeridium ruminatum
|
Baltic |
Ordovician |
|
Vavososphaeridium |
Vavososphaeridium michailovskyi
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Baltic |
Silurian |
|
Dictyotidium |
Dictyotidium dictyotum
|
Baltic |
Silurian |
|
Leiofusa |
Leiofusa fusiformis
|
Baltic |
Silurian |
|
Leiosphaera |
Leiosphaera solida
|
Baltic |
Silurian |
|
Pulvinosphaeridium |
Pulvinosphaeridium pulvinellum
|
Baltic |
Silurian |
|