Leiotriletes |
Leiotriletes sphaerotriangulus
|
Iowa |
Middle Pennsylvanian |
|
Deltoidisporites |
Deltoidisporites sphaerotriangulus
|
Iowa |
Middle Pennsylvanian |
|
Deltoidospora |
Deltoidospora subadnatoides
|
Iowa |
Middle Pennsylvanian |
|
Laevigatisporites |
Laevigatisporites sporadicus
|
Iowa |
Middle Pennsylvanian |
|
Leiotriletes |
Leiotriletes sporadicus
|
Iowa |
Middle Pennsylvanian |
|
Leiotriletes |
Leiotriletes subadnatoides
|
Iowa |
Middle Pennsylvanian |
|
Leiotriletes |
Leiotriletes parvus
|
Iowa |
Middle Pennsylvanian |
|
Leiotriletes |
Leiotriletes magnificus
|
Iowa |
Middle Pennsylvanian |
|
Leiotriletes |
Leiotriletes guennelii
|
Iowa |
Middle Pennsylvanian |
|
Punctatisporites |
Punctatisporites aerarius
|
Iowa |
Middle Pennsylvanian |
|
Punctatisporites |
Punctatisporites edgarensis
|
Iowa |
Middle Pennsylvanian |
|
Punctatisporites |
Punctatisporites kankakeensis
|
Iowa |
Middle Pennsylvanian |
|
Granulatisporites |
Granulatisporites microgranifer
|
Iowa |
Middle Pennsylvanian |
|
Azonotriletes |
Azonotriletes microgranifer
|
Iowa |
Middle Pennsylvanian |
|
Lophotriletes |
Lophotriletes microgranifer
|
Iowa |
Middle Pennsylvanian |
|
Granitriletes |
Granitriletes microgranifer
|
Iowa |
Middle Pennsylvanian |
|
Cyclogranisporites |
Cyclogranisporites aureus
|
Iowa |
Middle Pennsylvanian |
|