Echimonocolpites |
Echimonocolpites
|
Nd |
Nd |
|
Echimonocolpites |
Echimonocolpites spinosus
|
Iowa |
Middle Cenomanian |
|
Echimonocolpites |
Echimonocolpites spinosus
|
Colombia |
Maestrichtian |
|
Echimonocolpites |
Echimonocolpites tersus
|
Nd |
Nd |
|
Equisetosporites |
Equisetosporites ambiguus
|
Iowa |
Middle Cenomanian |
|
Equisetosporites |
Equisetosporites virginiaensis
|
Iowa |
Middle Cenomanian |
|
Foraminisporis |
Foraminisporis asymmetricus
|
Iowa |
Early Cenomanian |
|
Foraminisporis |
Foraminisporis wonthaggiensis
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Foveogleicheniidites |
Foveogleicheniidites confossus
|
Iowa |
Middle Cenomanian |
|
Foveomonocolpites |
Foveomonocolpites sp.1 Ravn & Witz.,1995
sp. nov. |
Iowa |
Middle Cenomanian |
Late Cenomanian |
Foveosporites |
Foveosporites cenomanicus
|
Iowa |
Early Cenomanian |
|
Foveosporites |
Foveosporites subtriangularis
|
Iowa |
Middle Cenomanian |
|
Foveotricolporites |
Foveotricolporites rhombohedralis
|
Iowa |
Middle Cenomanian |
|
Fraxinoipollenites |
Fraxinoipollenites constrictus
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Gleichenia |
Gleichenia dicarpoides
|
Iowa |
Late Albian |
Cenomanian |
Gleichenia |
Gleichenia dicarpoides
|
USSR(Tomskaya Oblast) |
Nd |
|
Gleicheniidites |
Gleicheniidites senonicus
|
Iowa |
Cenomanian |
|