Calamospora |
Calamospora laevigata
|
France |
Early Visean |
Stephanian C |
Calamospora |
Calamospora laevigata
|
Illinois |
Late Westphalian B |
Early Westphalian D |
Calamospora |
Calamospora magna
|
Poland |
Namurian A |
Westphalian A |
Calamospora |
Calamospora ovata
|
Poland |
Westphalian A |
|
Calamospora |
Calamospora sinuosa
|
Czechoslovakia |
Namurian A |
Stephanian C |
Calamospora |
Calamospora sinuosa
|
France |
Namurian A |
Stephanian C |
Calamospora |
Calamospora sinuosa
|
Spain |
Namurian A |
Stephanian C |
Calamospora |
Calamospora sinuosa
|
Kentucky |
Namurian A |
Stephanian C |
Calamospora |
Calamospora sinuosa
|
Illinois |
Westphalian A |
|
Colisporites |
Colisporites bulbosus
|
Germany |
Namurian B |
Stephanian B |
Colisporites |
Colisporites bulbosus
|
France |
Namurian B |
Stephanian B |
Colisporites |
Colisporites globulus
|
Germany |
Namurian B |
Westphalian D |
Colisporites |
Colisporites globulus
|
France |
Namurian B |
Westphalian D |
Colisporites |
Colisporites multiornatus
|
France |
Westphalian B |
Westphalian C |
Colisporites |
Colisporites olgae
|
Germany |
Namurian B |
Stephanian C |
Colisporites |
Colisporites olgae
|
France |
Namurian B |
Stephanian C |
Colisporites |
Colisporites parvulispiculus
|
France |
Westphalian B |
Stephanian A |