Valvisisporites |
Valvisisporites auritus
|
Spain |
Late Westphalian D |
Stephanian |
Valvisisporites |
Valvisisporites cladnensis
|
Poland |
Westphalian C |
|
Valvisisporites |
Valvisisporites nitens
|
USSR(Ukrainian SSR) |
Westphalian D |
|
Valvisisporites |
Valvisisporites nitens
|
Poland |
Westphalian D |
|
Valvisisporites |
Valvisisporites sofiaense
|
Poland |
Late Westphalian B |
Westphalian D |
Valvisisporites |
Valvisisporites sofiaense
|
England |
Late Westphalian B |
Westphalian D |
Valvisisporites |
Valvisisporites stephanensis
|
France |
Late Westphalian B |
|
Valvisisporites |
Valvisisporites trilobus
|
Germany |
Westphalian B |
Westphalian C |
Valvisisporites |
Valvisisporites trilobus
|
France |
Westphalian B |
Westphalian C |
Valvisisporites |
Valvisisporites verrucatus
|
Germany |
Stephanian C |
|
Valvisisporites |
Valvisisporites verrucosus
|
Germany |
Westphalian B |
Stephanian C |
Valvisisporites |
Valvisisporites verrucosus
|
France |
Westphalian B |
Stephanian C |
Zerndtisporites |
Zerndtisporites laxomarginalis
|
Poland |
Westphalian B |
Stephanian C |
Zerndtisporites |
Zerndtisporites laxomarginalis
|
Germany |
Westphalian B |
Stephanian C |
Zerndtisporites |
Zerndtisporites laxomarginalis
|
France |
Westphalian B |
Stephanian C |
Zerndtisporites |
Zerndtisporites subbrasserti
|
Michigan |
Westphalian A |
Stephanian A |
Zonalessporites |
Zonalessporites brasserti
|
Illinois |
Namurian C |
Westphalian C |