Knoxisporites |
Knoxisporites sp
|
Iowa |
Chesterian |
|
Kochisporites |
Kochisporites
|
Iowa |
Chesterian |
|
Kochisporites |
Kochisporites dentatus
sp. nov. |
Iowa |
Chesterian |
|
Leiotriletes |
Leiotriletes pyramidatus
|
Iowa |
Chesterian |
|
Leiotriletes |
Leiotriletes subintortus
|
Iowa |
Chesterian |
|
Leiotriletes |
Leiotriletes tumidus
|
Iowa |
Chesterian |
|
Leiotriletes |
Leiotriletes angularis
sp. nov. |
Iowa |
Chesterian |
|
Leiotriletes |
Leiotriletes labrum
sp. nov. |
Iowa |
Chesterian |
|
Leiotriletes |
Leiotriletes sp
|
Iowa |
Chesterian |
|
Lophotriletes |
Lophotriletes fatihi
|
Iowa |
Chesterian |
|
Lophotriletes |
Lophotriletes labiatus
|
Iowa |
Chesterian |
|
Lophotriletes |
Lophotriletes obtusus
|
Iowa |
Chesterian |
|
Lycospora |
Lycospora uber
|
Iowa |
Chesterian |
|
Microreticulatisporites |
Microreticulatisporites concavus
|
Iowa |
Chesterian |
|
Microreticulatisporites |
Microreticulatisporites punctatus
|
Iowa |
Chesterian |
|
Monoletes |
Monoletes ovatus
|
Iowa |
Chesterian |
|
Monoletes |
Monoletes winslowi
sp. nov. |
Iowa |
Chesterian |
|