Corbulispora |
Corbulispora tesselata
|
Alaska |
Late Tournaisian |
Visean |
Dictyotriletes |
Dictyotriletes tesselatus
|
Alaska |
Late Tournaisian |
Visean |
Corbulispora |
Corbulispora sp
|
Alaska |
Late Tournaisian |
Visean |
Cordylosporites |
Cordylosporites papillatus
|
Alaska |
Middle Visean |
Late Visean |
Corrugatisporites |
Corrugatisporites borealis
sp. nov. |
Alaska |
Middle Visean |
|
Crassispora |
Crassispora aculeata
|
Alaska |
Middle Visean |
Late Visean |
Crassispora |
Crassispora apisaculea
|
Alaska |
Late Visean |
|
Cristatisporites |
Cristatisporites apisaculeus
|
Alaska |
Late Visean |
|
Crassispora |
Crassispora conifera
|
Alaska |
Late Tournaisian |
Early Visean |
Lophotriletes |
Lophotriletes coniferus
|
Alaska |
Late Tournaisian |
Early Visean |
Crassispora |
Crassispora maculosa
|
Alaska |
Late Tournaisian |
Early Visean |
Cristatisporites |
Cristatisporites aculeatus
|
Alaska |
Late Visean |
|
Cristatisporites |
Cristatisporites indignabundus
|
Alaska |
Late Tournaisian |
Early Visean |
Cristatisporites |
Cristatisporites sp.1 Ravn,1991
sp. nov. |
Alaska |
Middle Visean |
|
Cyclogranisporites |
Cyclogranisporites nahannensis
|
Alaska |
Middle Visean |
Late Visean |
Punctatisporites |
Punctatisporites nahannensis
|
Alaska |
Middle Visean |
|
Deltoidospora |
Deltoidospora inerma
|
Alaska |
Middle Visean |
|