Auroraspora |
Auroraspora granulatipunctata
|
Alaska |
Middle Visean |
Late Visean |
Auroraspora |
Auroraspora hybo
|
Alaska |
Late Tournaisian |
Visean |
Auroraspora |
Auroraspora panda
|
Nd |
Nd |
|
Auroraspora |
Auroraspora solisorta
|
Alaska |
Late Visean |
|
Auroraspora |
Auroraspora velata
|
Alaska |
Late Visean |
|
Auroraspora |
Auroraspora velata
|
Oklahoma |
Springerian |
|
Bascaudaspora |
Bascaudaspora submarginata
|
Alaska |
Late Visean |
|
Calamospora |
Calamospora microrugosa
|
Alaska |
Late Tournaisian |
Visean |
Calamospora |
Calamospora sp
|
Alaska |
Late Tournaisian |
Visean |
Calamospora |
Calamospora sp.1 Ravn,1991
sp. nov. |
Alaska |
Middle Visean |
|
Camptotriletes |
Camptotriletes illinoiensis
sp. nov. |
Alaska |
Late Visean |
|
Camptotriletes |
Camptotriletes sp.1 Ravn,1991
sp. nov. |
Alaska |
Late Tournaisian |
Early Visean |
Camptotriletes |
Camptotriletes triangularis
|
Nd |
Nd |
|
Camptozonotriletes |
Camptozonotriletes velatus
|
Alaska |
Late Tournaisian |
Visean |
Chaetosphaerites |
Chaetosphaerites pollenisimilis
|
Alaska |
Middle Visean |
|
Cingulizonates |
Cingulizonates bialatus
|
Alaska |
Late Tournaisian |
Visean |
Cingulizonates |
Cingulizonates flammulus
sp. nov. |
Alaska |
Late Tournaisian |
Middle Visean |