Striadiporites |
Striadiporites asper
|
China(Liaoning) |
Early Oligocene |
Middle Oligocene |
Striadiporites |
Striadiporites bistriatus
|
China(Liaoning) |
Eocene |
Oligocene |
Striadiporites |
Striadiporites bistriatus
|
Canada(NWT,Mackenzie) |
Paleogene |
|
Striadiporites |
Striadiporites boletelloides
|
Cameroon |
Oligocene |
|
Striadiporites |
Striadiporites californicus
|
California |
Early Miocene |
|
Striadiporites |
Striadiporites dolium
|
China(Liaoning) |
Eocene |
Oligocene |
Striadiporites |
Striadiporites inflexus
|
Canada(NWT,Mackenzie) |
Oligocene |
|
Striadiporites |
Striadiporites inflexus
|
China(Liaoning) |
Eocene |
Oligocene |
Striadiporites |
Striadiporites irregularis
|
Canada(Yukon) |
Late Paleocene |
Early Eocene |
Striadiporites |
Striadiporites minor
|
China(Shandong) |
Late Eocene |
Middle Oligocene |
Striadiporites |
Striadiporites multistriatus
|
China(Liaoning) |
Eocene |
Oligocene |
Striadiporites |
Striadiporites multistriatus
|
Canada(NWT,Mackenzie) |
Eocene |
Oligocene |
Striadiporites |
Striadiporites reticulatus
|
India(Assam) |
Late Oligocene |
Early Miocene |
Striadiporites |
Striadiporites retistriatus
|
China(Liaoning) |
Early Oligocene |
Middle Oligocene |
Striadiporites |
Striadiporites sanctaebarbarae
|
California |
Late Eocene |
Oligocene |
Striadiporites |
Striadiporites spiralis
|
China(Liaoning) |
Late Eocene |
Early Oligocene |
Striadyadosporites |
Striadyadosporites
|
Columbia |
Pleistocene |
|