Crassispora |
Crassispora kosankei
|
Scotland |
Visean |
Namurian |
Crassispora |
Crassispora kosankei
|
Scotland |
Westphalian B |
|
Crassispora |
Crassispora kosankei
|
Belgium |
Westphalian B |
|
Crassispora |
Crassispora kosankei
|
Poland |
Westphalian B |
|
Crassispora |
Crassispora kosankei
|
Turkey |
Westphalian B |
|
Crassispora |
Crassispora maculosa
|
England(Staffordshire) |
Visean |
Namurian |
Crassispora |
Crassispora maculosa
|
Scotland(Dumfries) |
Visean |
Namurian |
Crassispora |
Crassispora maculosa
|
Wales |
Visean |
Namurian |
Cristatisporites |
Cristatisporites
|
France |
Westphalian B |
|
Cristatisporites |
Cristatisporites
|
France |
Westphalian C |
|
Cristatisporites |
Cristatisporites
|
France |
Westphalian D |
|
Cristatisporites |
Cristatisporites
|
Germany |
Westphalian B |
|
Cristatisporites |
Cristatisporites connexus
|
England |
Westphalian B |
|
Cristatisporites |
Cristatisporites connexus
|
Scotland |
Westphalian B |
|
Cristatisporites |
Cristatisporites connexus
|
Belgium |
Westphalian B |
|
Cristatisporites |
Cristatisporites connexus
|
Turkey |
Westphalian B |
|
Cristatisporites |
Cristatisporites connexus
|
Poland |
Westphalian B |
|