Braarudosphaera |
Braarudosphaera bigelowi
|
Germany(Rhineland) |
Middle Oligocene |
|
Hystrichosphaera |
Hystrichosphaera ramosa
|
Germany(Rhineland) |
Middle Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium articulatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium elegantulum
|
Germany(Rhineland) |
Middle Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium lobospinosum
sp. nov. |
Germany(Rhineland) |
Middle Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Germany(Rhineland) |
Middle Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Germany(Rhineland) |
Middle Oligocene |
|
Pontosphaera |
Pontosphaera bigelowi
|
Nd |
Nd |
|
Pterospermopsis |
Pterospermopsis danica
|
Germany(Rhineland) |
Middle Oligocene |
|
Wetzeliella |
Wetzeliella symmetrica
sp. nov. |
Germany(Rhineland) |
Middle Oligocene |
|