Areosphaeridium |
Areosphaeridium diktyoplokum
|
Alaska |
Late Eocene |
|
Trinovantedinium |
Trinovantedinium boreale
sp. nov. |
Alaska |
Late Eocene |
|
Brigantedinium |
Brigantedinium majusculum
|
Alaska |
Middle Miocene |
Late Miocene |
Brigantedinium |
Brigantedinium simplex
|
Alaska |
Late Miocene |
Late Neogene |
Filisphaera |
Filisphaera
|
Alaska |
Late Miocene |
Late Neogene |
Filisphaera |
Filisphaera filifera
sp. nov. |
Alaska |
Late Miocene |
Late Neogene |
Lejeunecysta |
Lejeunecysta fallax
|
Alaska |
Late Miocene |
Late Neogene |
Xandarodinium |
Xandarodinium variabile
sp. nov. |
Alaska |
Late Miocene |
Late Neogene |
Pediastrum |
Pediastrum boryanum
|
Alaska |
Late Miocene |
Late Neogene |
Brigantedinium |
Brigantedinium sp
|
Alaska |
Miocene |
Late Neogene |
Cannosphaeropsis |
Cannosphaeropsis sp.B Shim.et al,1971
sp. nov. |
Alaska |
Miocene |
|
Cannosphaeropsis |
Cannosphaeropsis sp.A Will.& Brid.,1975
sp. nov. |
Alaska |
Miocene |
|
Impletosphaeridium |
Impletosphaeridium sp.1 Manu.,1976
sp. nov. |
Alaska |
Miocene |
|
Trinovantedinium |
Trinovantedinium vancampoae
|
Alaska |
Miocene |
|
Chiropteridium |
Chiropteridium dispersum
|
Alaska |
Oligocene |
Early Miocene |
Chiropteridium |
Chiropteridium lobospinosum
|
Alaska |
Oligocene |
Early Miocene |
Gelatia |
Gelatia
|
Alaska |
Late Eocene |
Late Oligocene |