Cicatricosisporites |
Cicatricosisporites australiensis
|
Iowa |
Middle Cenomanian |
Late Cenomanian |
Cicatricosisporites |
Cicatricosisporites crassiterminatus
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Cicatricosisporites |
Cicatricosisporites dorogensis
|
Iowa |
Late Albian |
Middle Cenomanian |
Cicatricosisporites |
Cicatricosisporites mesozoicus
|
Iowa |
Middle Cenomanian |
|
Stereigranisporis |
Stereigranisporis regius
|
Iowa |
Middle Cenomanian |
|
Cicatricosisporites |
Cicatricosisporites paradorogensis
|
Iowa |
Middle Cenomanian |
|
Cicatricosisporites |
Cicatricosisporites sternum
|
Iowa |
Middle Cenomanian |
|
Cicatricosisporites |
Cicatricosisporites venustus
|
Iowa |
Late Albian |
Cenomanian |
Cicatricososporites |
Cicatricososporites sp.1 Ravn & Witz.,1995
sp. nov. |
Iowa |
Middle Cenomanian |
|
Costatoperforosporites |
Costatoperforosporites foveolatus
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Impardecispora |
Impardecispora marylandensis
|
Iowa |
Late Albian |
|
Impardecispora |
Impardecispora minor
|
Iowa |
Middle Cenomanian |
|
Impardecispora |
Impardecispora purverulenta
|
Iowa |
Early Cenomanian |
Middle Cenomanian |
Sphagnum |
Sphagnum regium
|
Iowa |
Middle Cenomanian |
|
Ischyosporites |
Ischyosporites crassimacerius
|
Iowa |
Middle Cenomanian |
|
Lycopodiumsporites |
Lycopodiumsporites crassimacerius
|
Iowa |
Middle Cenomanian |
|
Ischyosporites |
Ischyosporites estherae
|
Iowa |
Middle Cenomanian |
|