Acanthotriletes |
Acanthotriletes echinatus
|
West Virginia |
Middle Pennsylvanian |
|
Acanthotriletes |
Acanthotriletes echinatus
|
West Virginia |
Middle Pennsylvanian |
|
Acanthotriletes |
Acanthotriletes flexuus
|
West Virginia |
Middle Pennsylvanian |
|
Acanthotriletes |
Acanthotriletes sp
|
West Virginia |
Middle Pennsylvanian |
|
Acanthotriletes |
Acanthotriletes sp
|
Ohio |
Early Pennsylvanian |
|
Acanthotriletes |
Acanthotriletes triquetrus
|
West Virginia |
Middle Pennsylvanian |
|
Ahrensisporites |
Ahrensisporites guerickei
|
West Virginia |
Middle Pennsylvanian |
|
Ahrensisporites |
Ahrensisporites guerickei
|
West Virginia |
Middle Pennsylvanian |
|
Ahrensisporites |
Ahrensisporites guerickei
|
Ohio |
Early Pennsylvanian |
|
Ahrensisporites |
Ahrensisporites sp
|
West Virginia |
Middle Pennsylvanian |
|
Alatisporites |
Alatisporites hexalatus
|
West Virginia |
Middle Pennsylvanian |
|
Alatisporites |
Alatisporites sp
|
West Virginia |
Middle Pennsylvanian |
|
Alatisporites |
Alatisporites trialatus
|
West Virginia |
Middle Pennsylvanian |
|
Alatisporites |
Alatisporites various
|
West Virginia |
Middle Pennsylvanian |
|
Anapiculatisporites |
Anapiculatisporites minor
|
Ohio |
Early Pennsylvanian |
|
Anapiculatisporites |
Anapiculatisporites spinosus
|
West Virginia |
Middle Pennsylvanian |
|
Anaplanisporites |
Anaplanisporites sp
|
Ohio |
Early Pennsylvanian |
|