Hystrichosphaeridium |
Hystrichosphaeridium ramuliferum
|
Canada(Manitoba) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramuliferum
|
Texas |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
Canada(Saskatchewan) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
Texas |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium siphoniphorum
|
Canada(Saskatchewan) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium siphoniphorum
|
Canada(Manitoba) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium siphoniphorum
|
Canada(Alberta) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium siphoniphorum
|
Texas |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp.2 McIn.,1974
sp. nov. |
Canada(Saskatchewan) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp.2 McIn.,1974
sp. nov. |
Canada(Manitoba) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
sp. nov. |
Canada(Saskatchewan) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
sp. nov. |
Canada(Manitoba) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
sp. nov. |
Wyoming |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Canada(Saskatchewan) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Canada(Manitoba) |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Wyoming |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Texas |
Campanian |
|