Quisquilites |
Quisquilites pluralis
|
Colorado |
Late Cretaceous |
|
Quisquilites |
Quisquilites ornatus
|
Colorado |
Late Cretaceous |
|
Tetraporina |
Tetraporina glabra
|
Colorado |
Late Cretaceous |
|
Tetraporina |
Tetraporina horologia
|
Colorado |
Late Cretaceous |
|
Leptodinium |
Leptodinium dispertitum
|
Colorado |
Late Cretaceous |
|
Apteodinium |
Apteodinium grande
|
Colorado |
Late Cretaceous |
|
Spinidinium |
Spinidinium densispinatum
|
Colorado |
Late Cretaceous |
|
Spinidinium |
Spinidinium styloniferum
|
Colorado |
Late Cretaceous |
|
Komewuia |
Komewuia glabra
|
Colorado |
Late Cretaceous |
|
Canningia |
Canningia colliveri
|
Colorado |
Late Cretaceous |
|
Cleistosphaeridium |
Cleistosphaeridium heteracanthum
|
Colorado |
Late Cretaceous |
|
Cordosphaeridium |
Cordosphaeridium fasciatum
|
Colorado |
Late Cretaceous |
|
Cordosphaeridium |
Cordosphaeridium fibrospinosum
|
Colorado |
Late Cretaceous |
|
Hystrichokolpoma |
Hystrichokolpoma ferox
|
Colorado |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Colorado |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium readei
|
Colorado |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Colorado |
Late Cretaceous |
|