Hystrichokolpoma |
Hystrichokolpoma rigaudiae
|
Pacific Ocean |
Miocene |
Early Pleistocene |
Hystrichosphaeropsis |
Hystrichosphaeropsis obscura
|
Pacific Ocean |
Early Miocene |
Middle Miocene |
Hystrichosphaeropsis |
Hystrichosphaeropsis obscura
|
Pacific Ocean |
Early Miocene |
Middle Miocene |
Hystrichosphaeropsis |
Hystrichosphaeropsis sp
|
Pacific Ocean |
Miocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis sp
|
Pacific Ocean |
Miocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis sp.B
sp. nov. |
Pacific Ocean |
Miocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis sp.B
sp. nov. |
Pacific Ocean |
Miocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis sp.B
sp. nov. |
Pacific Ocean |
Miocene |
|
Hystrichostrogylon |
Hystrichostrogylon membraniphorum
|
Pacific Ocean |
Early Miocene |
Middle Miocene |
Hystrichostrogylon |
Hystrichostrogylon membraniphorum
|
Pacific Ocean |
Early Miocene |
Middle Miocene |
Impagidinium |
Impagidinium aculeatum
|
Pacific Ocean |
Late Neogene |
Pleistocene |
Impagidinium |
Impagidinium aculeatum
|
Japan(Niigata Pref.) |
Late Neogene |
|
Impagidinium |
Impagidinium aculeatum
|
Pacific Ocean |
Late Neogene |
Pleistocene |
Impagidinium |
Impagidinium japonicum
|
Pacific Ocean |
Miocene |
Early Pleistocene |
Impagidinium |
Impagidinium japonicum
|
Pacific Ocean |
Miocene |
Early Pleistocene |
Impagidinium |
Impagidinium pallidum
|
Pacific Ocean |
Miocene |
Late Neogene |
Impagidinium |
Impagidinium pallidum
|
Pacific Ocean |
Miocene |
Late Neogene |