Crassispora |
Crassispora kosankei
|
Canada(Nova Scotia) |
Westphalian B |
Westphalian D |
Crassispora |
Crassispora kosankei
|
Germany |
Westphalian B |
Westphalian C |
Crassispora |
Crassispora kosankei
|
United Kingdom |
Late Namurian A |
Westphalian D |
Crassispora |
Crassispora kosankei
|
Nd |
Namurian B |
Westphalian D |
Densosporites |
Densosporites
|
Belgium |
Westphalian A |
Westphalian C |
Densosporites |
Densosporites
|
Canada(Nova Scotia) |
Namurian A |
Westphalian D |
Densosporites |
Densosporites
|
France |
Westphalian C |
Middle Westphalian D |
Densosporites |
Densosporites
|
Germany |
Westphalian B |
Westphalian C |
Densosporites |
Densosporites
|
United Kingdom |
Namurian A |
Early Westphalian D |
Densosporites |
Densosporites
|
USA |
Namurian A |
Westphalian C |
Dictyotriletes |
Dictyotriletes bireticulatus
|
Germany |
Westphalian B |
Early Westphalian C |
Dictyotriletes |
Dictyotriletes bireticulatus
|
United Kingdom |
Middle Westphalian A |
Early Westphalian C |
Dictyotriletes |
Dictyotriletes bireticulatus
|
Nd |
Westphalian A |
Westphalian D |
Endosporites |
Endosporites
|
Belgium |
Westphalian A |
Westphalian C |
Endosporites |
Endosporites
|
Canada(Nova Scotia) |
Namurian A |
Westphalian D |
Endosporites |
Endosporites
|
France |
Westphalian C |
Westphalian D |
Endosporites |
Endosporites
|
Germany |
Westphalian B |
Westphalian C |