Hystrichosphaera |
Hystrichosphaera ramosa
sp. nov. |
Colorado |
Late Cretaceous |
|
Cleistosphaeridium |
Cleistosphaeridium sp
|
Colorado |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Colorado |
Late Cretaceous |
|
Polysphaeridium |
Polysphaeridium sp.4 Zait.,1967
sp. nov. |
Colorado |
Late Cretaceous |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
Colorado |
Late Cretaceous |
|
Odontochitina |
Odontochitina striatoperforata
|
Colorado |
Late Cretaceous |
|
Horologinella |
Horologinella apiculata
|
Colorado |
Late Cretaceous |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Colorado |
Late Cretaceous |
|
Baltisphaeridium |
Baltisphaeridium sp
|
Colorado |
Late Cretaceous |
|
Micrhystridium |
Micrhystridium deflandrei
sp. nov. |
Colorado |
Late Cretaceous |
|
Micrhystridium |
Micrhystridium sp.1
sp. nov. |
Colorado |
Late Cretaceous |
|
Cymatiosphaera |
Cymatiosphaera sp
|
Colorado |
Late Cretaceous |
|
Leiofusa |
Leiofusa jurassica
|
Colorado |
Late Cretaceous |
|
Halophoridia |
Halophoridia xena
|
Colorado |
Late Cretaceous |
|
Trigonopyxidia |
Trigonopyxidia ginella
|
Colorado |
Late Cretaceous |
|
Veryhachium |
Veryhachium reductum
|
Colorado |
Late Cretaceous |
|
Pterospermopsis |
Pterospermopsis australiensis
|
Colorado |
Late Cretaceous |
|