Areosphaeridium |
Areosphaeridium diktyoplokum
|
Alaska |
Late Eocene |
|
Beringiella |
Beringiella
|
Alaska |
Late Pleistocene |
|
Beringiella |
Beringiella fritilla
sp. nov. |
Alaska |
Late Pleistocene |
|
Brigantedinium |
Brigantedinium majusculum
|
Alaska |
Middle Miocene |
Late Miocene |
Brigantedinium |
Brigantedinium simplex
|
Alaska |
Late Miocene |
Late Neogene |
Brigantedinium |
Brigantedinium sp
|
Alaska |
Miocene |
Late Neogene |
Cannosphaeropsis |
Cannosphaeropsis sp.A Will.& Brid.,1975
sp. nov. |
Alaska |
Miocene |
|
Cannosphaeropsis |
Cannosphaeropsis sp.B
sp. nov. |
Alaska |
Late Oligocene |
Late Neogene |
Cannosphaeropsis |
Cannosphaeropsis sp.B Shim.et al,1971
sp. nov. |
Alaska |
Miocene |
|
Chiropteridium |
Chiropteridium dispersum
|
Alaska |
Oligocene |
Early Miocene |
Chiropteridium |
Chiropteridium lobospinosum
|
Alaska |
Oligocene |
Early Miocene |
Filisphaera |
Filisphaera
|
Alaska |
Late Miocene |
Late Neogene |
Filisphaera |
Filisphaera filifera
sp. nov. |
Alaska |
Late Miocene |
Late Neogene |
Gelatia |
Gelatia
|
Alaska |
Late Eocene |
Late Oligocene |
Gelatia |
Gelatia inflata
sp. nov. |
Alaska |
Late Eocene |
Late Oligocene |
Halodinium |
Halodinium
|
Alaska |
Pleistocene |
|
Halodinium |
Halodinium majus
sp. nov. |
Alaska |
Pleistocene |
|