Hystrichosphaeropsis |
Hystrichosphaeropsis obscura
|
Alaska(Bering Sea) |
Late Miocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis rectangularis
|
Alaska(Bering Sea) |
Early Oligocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis variabilis
sp. nov. |
Alaska(Bering Sea) |
Late Miocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis variabilis
|
Alaska(Bering Sea) |
Late Oligocene |
Miocene |
Hystrichostrogylon |
Hystrichostrogylon membraniphorum
|
Alaska(Bering Sea) |
Late Eocene |
Early Oligocene |
Impagidinium |
Impagidinium cornutum
sp. nov. |
Alaska(Bering Sea) |
Late Miocene |
|
Impagidinium |
Impagidinium japonicum
|
Alaska(Bering Sea) |
Late Miocene |
Late Neogene |
Impagidinium |
Impagidinium manumii
sp. nov. |
Alaska(Bering Sea) |
Late Miocene |
|
Impagidinium |
Impagidinium manumii
|
Alaska(Bering Sea) |
Late Paleocene |
Miocene |
Impagidinium |
Impagidinium pacificum
|
Alaska(Bering Sea) |
Late Miocene |
Late Neogene |
Impagidinium |
Impagidinium patulum
|
Alaska(Bering Sea) |
Late Miocene |
|
Impagidinium |
Impagidinium sp
sp. nov. |
Alaska(Bering Sea) |
Late Miocene |
|
Impagidinium |
Impagidinium sp
|
Alaska(Bering Sea) |
Late Eocene |
Late Neogene |
Impagidinium |
Impagidinium sp. Wigg.,1986
sp. nov. |
Alaska(Bering Sea) |
Late Miocene |
|
Impagidinium |
Impagidinium velorum
|
Alaska(Bering Sea) |
Oligocene |
Late Neogene |
Impletosphaeridium |
Impletosphaeridium sp
|
Alaska(Bering Sea) |
Oligocene |
Early Miocene |
Joviella |
Joviella
|
Alaska(Bering Sea) |
Late Miocene |
|