Artiopollis |
Artiopollis indivisus
|
Nebraska |
Late Albian |
Cenomanian |
Artiopollis |
Artiopollis indivisus
|
South Dakota |
Late Albian |
Cenomanian |
Artiopollis |
Artiopollis indivisus
|
Iowa |
Late Albian |
Cenomanian |
Cicatricosisporites |
Cicatricosisporites crassiterminatus
|
Nebraska |
Late Albian |
Cenomanian |
Cicatricosisporites |
Cicatricosisporites crassiterminatus
|
South Dakota |
Late Albian |
Cenomanian |
Cicatricosisporites |
Cicatricosisporites crassiterminatus
|
Iowa |
Late Albian |
Cenomanian |
Equisetosporites |
Equisetosporites ambiguus
|
Nebraska |
Late Albian |
Cenomanian |
Equisetosporites |
Equisetosporites ambiguus
|
South Dakota |
Late Albian |
Cenomanian |
Equisetosporites |
Equisetosporites ambiguus
|
Iowa |
Late Albian |
Cenomanian |
Impardecispora |
Impardecispora marylandensis
|
Nebraska |
Late Albian |
Cenomanian |
Impardecispora |
Impardecispora marylandensis
|
South Dakota |
Late Albian |
Cenomanian |
Impardecispora |
Impardecispora marylandensis
|
Iowa |
Late Albian |
Cenomanian |
Impardecispora |
Impardecispora purverulenta
|
Nebraska |
Late Albian |
Cenomanian |
Impardecispora |
Impardecispora purverulenta
|
South Dakota |
Late Albian |
Cenomanian |
Impardecispora |
Impardecispora purverulenta
|
Iowa |
Late Albian |
Cenomanian |
Microfoveolatosporis |
Microfoveolatosporis pseudoreticulatus
|
Nebraska |
Late Albian |
Cenomanian |
Microfoveolatosporis |
Microfoveolatosporis pseudoreticulatus
|
South Dakota |
Late Albian |
Cenomanian |