Triquitrites |
Triquitrites minutus
|
Ohio |
Late Pennsylvanian |
|
Tuberculatosporites |
Tuberculatosporites robustus
|
Virginia |
Late Pennsylvanian |
|
Tuberculatosporites |
Tuberculatosporites robustus
|
Pennsylvania |
Late Pennsylvanian |
|
Tuberculatosporites |
Tuberculatosporites robustus
|
Ohio |
Late Pennsylvanian |
|
Verrucosisporites |
Verrucosisporites
|
Virginia |
Late Pennsylvanian |
|
Verrucosisporites |
Verrucosisporites
|
Pennsylvania |
Late Pennsylvanian |
|
Verrucosisporites |
Verrucosisporites
|
Ohio |
Late Pennsylvanian |
|
Verrucosisporites |
Verrucosisporites
|
Kansas |
Late Pennsylvanian |
Permian |
Vesicaspora |
Vesicaspora
|
Virginia |
Late Pennsylvanian |
|
Vesicaspora |
Vesicaspora
|
Pennsylvania |
Late Pennsylvanian |
|
Vesicaspora |
Vesicaspora
|
Ohio |
Late Pennsylvanian |
|
Vesicaspora |
Vesicaspora
|
Kansas |
Late Pennsylvanian |
Permian |
Vittatina |
Vittatina
|
Virginia |
Late Pennsylvanian |
|
Vittatina |
Vittatina
|
Pennsylvania |
Late Pennsylvanian |
|
Vittatina |
Vittatina
|
Ohio |
Late Pennsylvanian |
|
Vittatina |
Vittatina costabilis
|
Kansas |
Early Permian |
|