Form-c |
Form-c sp.1
sp. nov. |
Colorado |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Colorado |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium deanei
|
Colorado |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Colorado |
Late Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Colorado |
Late Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium sp
|
Colorado |
Late Cretaceous |
|
Cordosphaeridium |
Cordosphaeridium difficile
|
Colorado |
Late Cretaceous |
|
Cordosphaeridium |
Cordosphaeridium sp.1
sp. nov. |
Colorado |
Late Cretaceous |
|
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
Colorado |
Late Cretaceous |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
|
Colorado |
Late Cretaceous |
|
Hystrichokolpoma |
Hystrichokolpoma ferox
|
Colorado |
Late Cretaceous |
|
Diphyes |
Diphyes colligerum
|
Colorado |
Late Cretaceous |
|
Polysphaeridium |
Polysphaeridium sp
|
Colorado |
Late Cretaceous |
|
Form-o |
Form-o sp.1
sp. nov. |
Colorado |
Late Cretaceous |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
Colorado |
Late Cretaceous |
|
Exochosphaeridium |
Exochosphaeridium phragmites
|
Colorado |
Late Cretaceous |
|
Exochosphaeridium |
Exochosphaeridium sp.1
sp. nov. |
Colorado |
Late Cretaceous |
|