Corollina |
Corollina torosa
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Coronatispora |
Coronatispora valdensis
|
Nd |
Nd |
|
Costatoperforosporites |
Costatoperforosporites foveolatus
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Crybelosporites |
Crybelosporites brenneri
|
Iowa |
Middle Cenomanian |
Late Cenomanian |
Crybelosporites |
Crybelosporites bursatus
|
Iowa |
Middle Cenomanian |
Late Cenomanian |
Crybelosporites |
Crybelosporites pannuceus
|
Iowa |
Middle Cenomanian |
|
Crybelosporites |
Crybelosporites striatus
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Cupuliferoidaepollenites |
Cupuliferoidaepollenites minutus
|
Iowa |
Middle Cenomanian |
Late Cenomanian |
Cyclonephelium |
Cyclonephelium sp
|
Iowa |
Middle Cenomanian |
|
Deltoidospora |
Deltoidospora hallii
|
Iowa |
Cenomanian |
|
Deltoidospora |
Deltoidospora mesozoica
|
Iowa |
Middle Cenomanian |
|
Deltoidospora |
Deltoidospora minor
|
Iowa |
Late Albian |
Cenomanian |
Dictyophyllidites |
Dictyophyllidites excelsus
|
Minnesota |
Cenomanian |
|
Dictyophyllidites |
Dictyophyllidites harrisii
|
Iowa |
Late Albian |
Cenomanian |
Dictyophyllidites |
Dictyophyllidites impensus
|
Iowa |
Cenomanian |
|
Doyleipollenites |
Doyleipollenites
|
Iowa |
Cenomanian |
|
Doyleipollenites |
Doyleipollenites robbinsiae
sp. nov. |
Iowa |
Cenomanian |
|