Valvisisporites |
Valvisisporites appendiculatus
|
Germany |
Westphalian A |
Stephanian |
Valvisisporites |
Valvisisporites appendiculatus
|
Netherlands |
Westphalian A |
Stephanian |
Valvisisporites |
Valvisisporites appendiculatus
|
Spain |
Westphalian A |
Stephanian |
Valvisisporites |
Valvisisporites augustae
|
Poland |
Westphalian B |
Westphalian D |
Valvisisporites |
Valvisisporites augustae
|
Germany |
Westphalian B |
Westphalian D |
Valvisisporites |
Valvisisporites augustae
|
Illinois |
Early Westphalian C |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
Pennsylvania |
Westphalian A |
Early Westphalian D |
Valvisisporites |
Valvisisporites auritus
|
Illinois |
Westphalian A |
Early Westphalian D |
Valvisisporites |
Valvisisporites auritus
|
Turkey |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
Czechoslovakia |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
USSR(Ukrainian SSR) |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
Poland |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
Germany |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
Belgium |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
Netherlands |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
France |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites auritus
|
England |
Late Westphalian D |
Stephanian |