Micrhystridium |
Micrhystridium roquestii
|
Colorado |
Late Cretaceous |
|
Micrhystridium |
Micrhystridium sp
|
Colorado |
Late Cretaceous |
|
Veryhachium |
Veryhachium reductum
|
Colorado |
Late Cretaceous |
|
Hystrichosphaera |
Hystrichosphaera ramosa
|
Colorado |
Late Cretaceous |
|
Leiofusa |
Leiofusa jurassica
|
Colorado |
Late Cretaceous |
|
Leiofusa |
Leiofusa sp.A
sp. nov. |
Colorado |
Late Cretaceous |
|
Cymatiosphaera |
Cymatiosphaera eupeplos
|
Colorado |
Late Cretaceous |
|
Cymatiosphaera |
Cymatiosphaera exilissima
|
Colorado |
Late Cretaceous |
|
Cymatiosphaera |
Cymatiosphaera pachytheca
|
Colorado |
Late Cretaceous |
|
Cymatiosphaera |
Cymatiosphaera stigmata
|
Colorado |
Late Cretaceous |
|
Pterospermopsis |
Pterospermopsis australiensis
|
Colorado |
Late Cretaceous |
|
Pterospermopsis |
Pterospermopsis ginginensis
|
Colorado |
Late Cretaceous |
|
Diplotesta |
Diplotesta luna
|
Colorado |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis laevigata
|
Colorado |
Late Cretaceous |
|
Palambages |
Palambages deflandrei
|
Colorado |
Late Cretaceous |
|
Palambages |
Palambages morulosa
|
Colorado |
Late Cretaceous |
|
Palambages |
Palambages form c Manu.& Cook.,1964
sp. nov. |
Colorado |
Late Cretaceous |
|