Spiniferites |
Spiniferites nortonensis
|
Alaska(Bering Sea) |
Late Oligocene |
Miocene |
Spiniferites |
Spiniferites choanus
|
Alaska(Bering Sea) |
Late Oligocene |
Miocene |
Achomosphaera |
Achomosphaera ramulifera
|
Alaska(Bering Sea) |
Oligocene |
Early Miocene |
Litosphaeridium |
Litosphaeridium parvum
|
Alaska(Bering Sea) |
Oligocene |
Miocene |
Impletosphaeridium |
Impletosphaeridium sp
|
Alaska(Bering Sea) |
Oligocene |
Early Miocene |
Lingulodinium |
Lingulodinium brevispinosum
|
Alaska(Bering Sea) |
Oligocene |
Early Miocene |
Spiniferites |
Spiniferites adnatus
|
Alaska(Bering Sea) |
Late Oligocene |
Miocene |
Phthanoperidinium |
Phthanoperidinium sp
|
Alaska(Bering Sea) |
Early Oligocene |
|
Operculodinium |
Operculodinium alsium
|
Alaska(Bering Sea) |
Late Oligocene |
Miocene |
Operculodinium |
Operculodinium
|
Alaska(Bering Sea) |
Late Miocene |
|
Lejeunecysta |
Lejeunecysta sp
|
Alaska(Bering Sea) |
Oligocene |
Late Neogene |
Cyclopsiella |
Cyclopsiella sp
|
Alaska(Bering Sea) |
Late Oligocene |
Early Pliocene |
Joviella |
Joviella magnifica
|
Alaska(Bering Sea) |
Late Oligocene |
Miocene |
Algidasphaeridium |
Algidasphaeridium minutum
|
Canada(Arctic) |
Recent |
|
Multispinula |
Multispinula minuta
|
Canada(Arctic) |
Recent |
|
Operculodinium |
Operculodinium crassum
|
Nd |
Nd |
|
Operculodinium |
Operculodinium israelianum
|
Nd |
Nd |
|