Punctatisporites |
Punctatisporites spinulistratus
|
Iowa |
Pennsylvanian |
|
Punctatisporites |
Punctatisporites stramineus
|
Iowa |
Pennsylvanian |
|
Radiizonates |
Radiizonates difformis
|
Iowa |
Pennsylvanian |
|
Raistrickia |
Raistrickia crocea
|
Iowa |
Pennsylvanian |
|
Raistrickia |
Raistrickia lacerata
|
Iowa |
Pennsylvanian |
|
Raistrickia |
Raistrickia lowellensis
|
Iowa |
Pennsylvanian |
|
Raistrickia |
Raistrickia macra
|
Iowa |
Pennsylvanian |
|
Raistrickia |
Raistrickia pilosa
|
Iowa |
Pennsylvanian |
|
Raistrickia |
Raistrickia protensa
|
Iowa |
Pennsylvanian |
|
Reinschospora |
Reinschospora speciosa
|
Iowa |
Pennsylvanian |
|
Reinschospora |
Reinschospora triangularis
|
Iowa |
Pennsylvanian |
|
Reticulatisporites |
Reticulatisporites reticulatus
|
Iowa |
Pennsylvanian |
|
Savitrisporites |
Savitrisporites nux
|
Iowa |
Pennsylvanian |
|
Savitrisporites |
Savitrisporites sp.1
sp. nov. |
Iowa |
Pennsylvanian |
|
Schopfipollenites |
Schopfipollenites ellipsoides
|
Iowa |
Pennsylvanian |
|
Schopfipollenites |
Schopfipollenites sp.1
sp. nov. |
Iowa |
Pennsylvanian |
|
Simozonotriletes |
Simozonotriletes intortus
|
Iowa |
Pennsylvanian |
|