Algidasphaeridium |
Algidasphaeridium capillatum
|
Alaska(Bering Sea) |
Late Oligocene |
Miocene |
Algidasphaeridium |
Algidasphaeridium minutum
|
Atlantic(Baffin Bay) |
Early Pleistocene |
|
Algidasphaeridium |
Algidasphaeridium minutum
|
Atlantic(Labrador Sea) |
Early Pleistocene |
|
Algidasphaeridium |
Algidasphaeridium minutum
|
Atlantic(Norwegian Sea) |
Early Pleistocene |
|
Algidasphaeridium |
Algidasphaeridium minutum
|
Canada(Arctic) |
Recent |
|
Capillicysta |
Capillicysta fusca
|
Japan |
Miocene |
Early Pliocene |
Filisphaera |
Filisphaera filifera
|
North Sea |
Late Oligocene |
|
Filisphaera |
Filisphaera filifera
|
Atlantic Ocean |
Early Pleistocene |
|
Filisphaera |
Filisphaera filifera
|
Pacific Ocean |
Middle Miocene |
|
Filisphaera |
Filisphaera filifera
|
Atlantic Ocean |
Early Pleistocene |
|
Filisphaera |
Filisphaera filifera
|
Alaska(Bering Sea) |
Late Neogene |
|
Filisphaera |
Filisphaera microornata
|
Atlantic(Labrador Sea) |
Late Miocene |
Early Pliocene |
Filisphaera |
Filisphaera microornata
|
Atlantic(Baffin Bay) |
Late Pliocene |
Early Pleistocene |
Habibacysta |
Habibacysta sp. Zeve.,1993
sp. nov. |
Netherlands |
Middle Miocene |
Late Miocene |
Habibacysta |
Habibacysta tectata
|
Atlantic(Baffin Bay) |
Middle Miocene |
|
Habibacysta |
Habibacysta tectata
|
Atlantic Ocean |
Late Pliocene |
|
Habibacysta |
Habibacysta tectata
|
Atlantic(Labrador Sea) |
Middle Pleistocene |
|