Punctatisporites |
Punctatisporites glaber
|
Alaska |
Late Tournaisian |
Middle Visean |
Punctatisporites |
Punctatisporites golatensis
|
Alaska |
Middle Visean |
Late Visean |
Punctatisporites |
Punctatisporites golatensis
|
Canada(Alberta) |
Chesterian |
|
Punctatisporites |
Punctatisporites irrasus
|
Alaska |
Late Tournaisian |
Visean |
Punctatisporites |
Punctatisporites labiatus
|
Alaska |
Late Tournaisian |
Visean |
Punctatisporites |
Punctatisporites nahannensis
|
Alaska |
Middle Visean |
|
Punctatisporites |
Punctatisporites nahannensis
|
Canada(NWT,Mackenzie) |
Late Mississippian |
Namurian A |
Punctatisporites |
Punctatisporites nudus
|
Alaska |
Late Tournaisian |
Visean |
Punctatisporites |
Punctatisporites pseudobesus
|
Alaska |
Late Tournaisian |
Visean |
Punctatisporites |
Punctatisporites reticulopunctatus
|
Alaska |
Late Tournaisian |
Early Visean |
Punctatisporites |
Punctatisporites reticulopunctatus
|
Kentucky |
Chesterian |
|
Punctatisporites |
Punctatisporites sp
|
Alaska |
Late Tournaisian |
Visean |
Punctatisporites |
Punctatisporites sp.1 Ravn,1991
sp. nov. |
Alaska |
Middle Visean |
|
Pustulatisporites |
Pustulatisporites papillosus
|
Alaska |
Middle Visean |
Late Visean |
Pustulatisporites |
Pustulatisporites sp.1 Ravn,1991
sp. nov. |
Alaska |
Late Tournaisian |
Early Visean |
Radialetes |
Radialetes costatus
|
Alaska |
Middle Visean |
|
Radiizonates |
Radiizonates aligerens
|
Alaska |
Late Tournaisian |
Early Visean |