Dapsilidinium |
Dapsilidinium pumilum
|
Colorado |
Late Cenomanian |
|
Dinogymnium |
Dinogymnium cretaceum
|
Colorado |
Late Cenomanian |
|
Disphaeria |
Disphaeria munda
|
Colorado |
Early Turonian |
|
Epelidosphaeridia |
Epelidosphaeridia spinosa
|
Colorado |
Late Cenomanian |
|
Eurydinium |
Eurydinium saxoniense
|
Colorado |
Late Cenomanian |
Early Turonian |
Exochosphaeridium |
Exochosphaeridium phragmites
|
Colorado |
Late Cenomanian |
Early Turonian |
Eyrea |
Eyrea nebulosa
|
Colorado |
Early Turonian |
|
Florentinia |
Florentinia clavigera
|
Colorado |
Late Cenomanian |
|
Florentinia |
Florentinia laciniata
|
Colorado |
Late Cenomanian |
Early Turonian |
Fromea |
Fromea amphora
|
Colorado |
Late Cenomanian |
|
Gonyaulacysta |
Gonyaulacysta cretacea
|
Colorado |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Colorado |
Late Cenomanian |
Early Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Colorado |
Late Cenomanian |
|
Isabelidinium |
Isabelidinium sp
|
Colorado |
Late Cenomanian |
|
Kallosphaeridium |
Kallosphaeridium ringnesiorum
|
Colorado |
Late Cenomanian |
Early Turonian |
Kallosphaeridium |
Kallosphaeridium sp
|
Colorado |
Late Cenomanian |
|
Kleithriasphaeridium |
Kleithriasphaeridium sp
|
Colorado |
Late Cenomanian |
|