Densosporites |
Densosporites steinii
sp. nov. |
Alaska |
Visean |
|
Densosporites |
Densosporites subserratus
|
Alaska |
Middle Visean |
|
Densosporites |
Densosporites tenuis
|
Alaska |
Late Tournaisian |
Visean |
Densosporites |
Densosporites undulatus
sp. nov. |
Alaska |
Late Tournaisian |
Visean |
Densosporites |
Densosporites variomarginatus
|
Alaska |
Late Tournaisian |
Visean |
Diatomozonotriletes |
Diatomozonotriletes hughesii
|
Alaska |
Middle Visean |
|
Diatomozonotriletes |
Diatomozonotriletes saetosus
|
Alaska |
Middle Visean |
Late Visean |
Diatomozonotriletes |
Diatomozonotriletes trilinearis
|
Alaska |
Middle Visean |
Late Visean |
Dibolisporites |
Dibolisporites acritarchus
|
Alaska |
Middle Visean |
Late Visean |
Dibolisporites |
Dibolisporites distinctus
|
Alaska |
Late Tournaisian |
Early Visean |
Dictyotriletes |
Dictyotriletes cuniculosus
|
Australia(W.Australia) |
Visean |
|
Dictyotriletes |
Dictyotriletes densoreticulatus
|
W.Germany(N.Rhine) |
Late Westphalian B |
|
Dictyotriletes |
Dictyotriletes equigranulatus
|
Scotland(Fife) |
Late Visean |
|
Dictyotriletes |
Dictyotriletes falsus
|
W.Germany(N.Rhine) |
Westphalian B |
Westphalian C |
Dictyotriletes |
Dictyotriletes fragmentimurus
|
Alaska |
Late Tournaisian |
Visean |
Dictyotriletes |
Dictyotriletes fragmentimurus
|
England(Northumberland) |
Tournaisian |
Visean |
Dictyotriletes |
Dictyotriletes margodentatus
|
Alaska |
Late Tournaisian |
Early Visean |