Hystrichosphaera |
Hystrichosphaera ramosa
|
Colorado |
Late Cretaceous |
|
Hystrichosphaera |
Hystrichosphaera sp.1
sp. nov. |
Colorado |
Late Cretaceous |
|
Hystrichosphaera |
Hystrichosphaera sp
|
Colorado |
Late Cretaceous |
|
Heslertonia |
Heslertonia heslertonensis
|
Colorado |
Late Cretaceous |
|
Microdinium |
Microdinium ornatum
|
Colorado |
Late Cretaceous |
|
Gonyaulacysta |
Gonyaulacysta sp
|
Colorado |
Late Cretaceous |
|
Gonyaulacysta |
Gonyaulacysta sp.1
sp. nov. |
Colorado |
Late Cretaceous |
|
Leptodinium |
Leptodinium dispertitum
|
Colorado |
Late Cretaceous |
|
Cyclonephelium |
Cyclonephelium sp
|
Colorado |
Late Cretaceous |
|
Areoligera |
Areoligera sp
|
Colorado |
Late Cretaceous |
|
Tenua |
Tenua sp
|
Colorado |
Late Cretaceous |
|
Fromea |
Fromea amphora
|
Colorado |
Late Cretaceous |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Colorado |
Late Cretaceous |
|
Deflandrea |
Deflandrea minor
|
Colorado |
Late Cretaceous |
|
Deflandrea |
Deflandrea acuminata
|
Colorado |
Late Cretaceous |
|
Deflandrea |
Deflandrea granulifera
|
Colorado |
Late Cretaceous |
|
Deflandrea |
Deflandrea verrucosa
|
Colorado |
Late Cretaceous |
|